A cabinet drawer includes a molded drawer floor having a central portion including at least one depression, each depression having a bottom wall and a sidewall having an inner surface and an outer surface. A flange extends outwardly from an upper edge of each depression. A plurality of webs extends outward from each depression outer surface for connection with a drawer slide system. A peripheral edge of the flange includes a plurality of deflectable tabs for coupling to a surrounding fence without the use of fasteners. The fence includes a skirt portion extending downward from the drawer floor flange to hide any drawer slide mechanism coupling the drawer floor to any underlying base.

A bottom mount refrigerator is provided with refrigerator components housed in a space adjacent the top of the fresh food compartment between a false ceiling and the top wall of the compartment. The top wall includes a stepped portion formed in the liner forming the compartment. The stepped portion is positioned near the top and front of the compartment, and it includes a section that is lower than the remainder of the top wall. The stepped portion includes a rear facing face in the interior of the compartment, and the false ceiling is positioned between the rear facing face and the back wall. The ceiling extends horizontal from the rear wall before angling upward to abut the face of the stepped portion. The false ceiling may also contain apertures to provide access to the components housed between the ceiling and the top wall.

A refrigerator is provided with rotatable shelves for easy food/item access and cleaning. In one embodiment a stationary or fixed shelf includes a rotatable disk mounted on a bearing retainer having bearings therein for manual, three hundred sixty degree (360°) rotation as desired. In another embodiment a quarter-round pivotable shelf is attached to a stanchion to enable the shelf to be manually pivoted ninety degrees (90°) for withdrawing and returning the shelf to the refrigerator food storage compartment as needed.

A telecommunication distribution box includes a housing and an electrical component mounted in the housing. A cover plate is movably connected to the housing and is movable between open and closed positions. A lip extends outwardly from the cover plate. The lip covers the electrical component when the cover plate is in the closed position to prevent accessing and removing the electrical component.

The terminal unit includes a main board, electronic components implemented on the main board, a sub-board covering above the electronic components and a frame member so disposed between the main board and the sub-board as to surround the electronic components. A flexible printed circuit covers an outer side of a wall portion of the frame member and is so wound around the frame member from upper and lower sides of the wall portion as to cover at least part of an inner side of the wall portion. A wiring pattern formed on the flexible printed circuit is electrically connected to the electronic components, and information to be protected that is stored on the electronic components becomes unreadable if the wiring pattern is cut off or short-circuited.

The present invention pertains to a modular furniture system in which a flat-foldable or easily assembled and disassembled rigid base structure composed of rectangular-cross-sectioned pieces each with specific dimensions serves variously, once assembled, as the supporting framework for a flat-foldable chair seat-and-backrest module, which configured together with the base structure serves as either an upright dining chair with armrests or as a lower and more reclined lounge chair with armrests, or alternatively as configured for supporting the connectable or foldable components of a flat planar surface module to be used for dining or to serve as a desktop, or alternatively as configured for supporting a storage cabinet module with drawers or doors.

A solar power inverter having a sealing means includes: a main case having an opening on a front surface thereof, the opening open and closed by a main cover; an auxiliary case coupled to one side surface of the main case, and having a second opening on a front surface thereof, the second opening open and closed by an auxiliary cover; and a gasket interposed between the main case and the auxiliary case, wherein the main case and the auxiliary case are coupled to each other by coupling bolts which pass through the main case, the gasket and the auxiliary case.

portable electronic device includes a host module, a display module and a hinge structure. The hinge structure is pivotally connected to the host module and the display module. The hinge structure includes a support frame, a rotating component and two pivotal components. An end of the rotating component is installed inside the support frame and another end of the rotating component is installed inside the display module, so that the display module is capable of rotating in a first rotating direction relative to the support frame. The two pivotal components are disposed at opposite sides of the support frame and separated from the rotating component. An end of each pivotal component is installed inside the support frame and another end of each pivotal component is installed inside the host module, so that the display module is capable of rotating in a second rotating direction relative to the host module.

A highly reliable vacuum heat insulating material having excellent processability, usability and heat insulating performance and a heat insulating box using the vacuum heat insulating material are provided. A vacuum heat insulating material related to the present invention includes: a core material structured by a laminated structure of an organic fiber assembly formed by forming an organic fiber into a sheet shape and cutting an end face with a predetermined length, and having a core material opening portion formed by a through hole or a notch with cutting; a gas-barrier outer cover material containing the core material inside, having a sealing portion for sealing surrounding of the sheet-shaped organic fiber assembly and surrounding of the core material opening portion, and hermetically sealing an inside with almost vacuum status by sealing the sealing portion; and an outer cover material opening portion provided at the outer cover material under a status in which the sealing portion provided at the surrounding of the sheet-shaped organic fiber assembly and the surrounding of the core material opening portion is sealed, being a through hole or a notch which is smaller than the core material opening portion with a sealed amount, and a long fiber being equal to or longer than a length of the sheet is used for the organic fiber.

A rail seat includes a concrete rail tie; a pair of rail clip support shoulders cast in place in said rail tie each said shoulder having a rail face between its external sides; a pair of shoulder insulators each shaped to lie against the rail face of the rail shoulder; a pair of rail clips each having a base section adapted to seat within the rail clip support shoulder and a toe section adapted to seat on the rail base. The clip and toe insulator assembly is loaded on the shoulder in a vertical direction so that parts of the toe insulator seat within pockets in the shoulder that enable the clip and insulator assembly to move laterally towards the rail but not away from it and the clip base is aligned with the shoulder slot ready to enter it when the clip is moved laterally to the parked position which applies a small downward force to the clip toes and at this stage lie outside the limits of the rail base and finally the clip can be moved laterally into the installed position where the toe insulators sit on top of the rail base and securely hold it down.

It is an object of the present invention to provide a light-emitting element with high light emission efficiency and with a long lifetime. A light-emitting device comprises a first electrode, a second electrode, a light-emitting layer, a first layer, and a second layer, wherein the first layer is provided between the light-emitting layer and the first electrode, the second layer is provided between the light-emitting layer and the second electrode, the first layer is a layer for controlling the hole transport, the second layer is a layer for controlling the electron transport, and light emission from the light-emitting layer is obtained when voltage is applied to the first electrode and the second electrode so that potential of the first electrode is higher than potential of the second electrode.

The present invention relates to a rail clamp for attaching a rail S comprising a central portion 3, at least one torsional portion 9, 10 branching off laterally from the central portion 3, at least one transitional portion 7, 8 adjoining the torsional portion 9, 10 and at least one retaining arm 13, 14 which is connected to the transitional portion 7, 8 and on the free end of which an end portion 19, 20 is configured, by which the rail clamp is supported on the foot F of the rail S to be attached in each case during use, and relates to a system provided with a rail clamp of this type. The rail clamp and the system according to the invention are able, with a high endurance strength, to apply significant hold-down forces and at the same time to ensure that even during progressive wear of the rail attachment, adequately high hold-down forces continue to act on the rail. This is achieved according to the invention in that the retaining arm 13, 14 is continuously curved at least in a curve portion which extends up to the free end of its end portion 19, 20 such that, seen in a plan view of the rail clamp 1, the end portion 19, 20 is directed towards the central portion 3 and the longitudinal axis of the torsional portion 9, 10 associated with the respective retaining arm 13, 14.

The present disclosure provides a track switch cover system and method. The system and method allows for easy installation and removal of track switch covers as well as quick and easy access to the switch mechanism shrouded by the covers.

The invention relates to a rail clamp for fastening rail equipment, said rail clamp being integrally composed of a polymeric composition produced by pultrusion or molding, vacuum molding or compression molding. It has high mechanical strength. It is anticorrosive and insulating and is preferably composed of a resin and reinforcing fibers and/or a thermoplastic. It is advantageously formed as a one piece structure. The rail clamp is especially used to fasten rails to base slabs and has economic advantages compared to the rail clamps known in the art, which are made of steel coated with rubber.

A lock bearing for a points setting arrangement has a lock bearing screw penetrating a foot of a setting tongue and a spring package arranged between the foot and the screw head of the screw. Therefore the lock bearing screw can be tightened with a relatively narrowly definable torque range and still has the rotation reserve to bring the position of the head of the lock bearing screw into line with a hole in a safety plate mapping the screw head which then, upon being inserted as previously known, latches in place over the head of the lock bearing screw. An alternative embodiment has a lock bearing with a lock bearing screw penetrating a foot of a setting tongue and an anti-rotation ring enclosing the head of the lock bearing screw in an annular, force-fitted manner with an outer toothing and a safety plate matching the outer toothing.

An electrical insulator for use with a rail fastening clip comprises a contact member providing on one side a substantially flat rail contact surface for contacting a foot of a rail and on the opposing side a clip contact surface for contacting a rail bearing surface of a bearing portion of the clip, the insulator also having retaining means for retaining the insulator on the clip in such a way as to allow rotation of the insulator about a longitudinal axis of the bearing portion of the clip. The insulator has stop portions for limiting such rotation about the longitudinal axis of the bearing portion of the clip to a desired extent. The clip contact surface of the insulator is convex, in a vertical plane which is perpendicular to the longitudinal axis of the bearing portion of the clip, such that, when the insulator is attached to a clip having a flat rail bearing surface, a contact region between the flat rail bearing surface of the clip and the clip contact surface of the insulator is linear. The insulator is rockable about the linear contact region within the extent defined by the stop portions such that, when the rail contact surface of the insulator contacts the surface of a rail foot, the angle of the rail contact surface can conform to the angle of the rail foot surface. A rail fastening clip, suitable for use with the insulator and of the kind driven onto a rail in a direction which is parallel to a longitudinal axis of the rail, has a bearing portion having a flat rail bearing surface, wherein a detent, extending laterally with respect to the longitudinal axis of the bearing portion, is formed in the flat rail bearing surface, at a location spaced from a free end of the bearing portion of the clip, for engaging a corresponding abutment surface of the insulator to be retained on the rail bearing portion of the clip.

A joint between connected ends of two rails of different height is provided with a connector/juncture bar member which is configured to fit with and engage corresponding surfaces formed on the rails when the rails are connected together. The joint so formed is one with increased strength, with ease and accuracy of alignment during assembly.

A self opening bag includes front and real walls joined at their respective first and second side and bottom edges. The bag is folded at least once parallel to its side edges. At least one attaching feature is located on the outer surface of the bag adjacent the upper end and between the folded walls. The bag is releasably attached to a subsequent bag. The at least one attaching feature causes the bag to open as the bag is pulled from the subsequent bag. The once folded bag may be sealed at the bottom edges after folding to form a star-sealed bag bottom. The bags may be removably attached to each other at a perforation line and wound onto a compact roll for use with a bag dispenser. The bags may have an upper seam, a U-shaped cut and a pair of bag handles. The bags may be corona treated.

An easy-open and reclosable package includes a pouch including a discrete laminate including a base strip, a panel section, and a die cut defining a die cut segment; a first and second anchor seal; the base strip including a sealing segment, backing segment, and intermediate layer including a pressure sensitive adhesive; and a product disposed in the pouch. The die cut segment is so arranged that when the package is opened, the sealing segment is partially removed from the base strip, the pressure sensitive adhesive is partially exposed, and the package can thereafter be reclosed by adhering any of the first side panel, second side panel, and panel section to the pressure sensitive adhesive. Methods of making the package, and a pouch, are also disclosed.

A sorbent container includes a plurality of sealed pockets connected in a strip. At least one of the pockets is a filled pocket containing a quantity of sorbent material. A pocket adjacent to the filled pocket is empty.

Provided are pouches with rigid handles and/or internal supports and methods of making such pouches. In one aspect, a pouch with internal support includes a flexible pouch including a fitment coupled to a flexible pouch body and at least one inner support piece coupled to the fitment and extending into the inside of the pouch through the interior of the fitment. The fitment includes a fitment inner engagement feature and the at least one inner support piece includes an inner support engagement feature and at least one inner support extending from the inner support engagement feature. The fitment inner engagement feature and inner support engagement feature are interlocked to keep the at least one inner support piece from falling into or out of the flexible pouch body.

A reclosable bag or pouch configured to store, and to easily pour, material. The reclosable bag is configured with an integral pour spout having a reclosable fastener to facilitate the pouring of material from the bag, and subsequent resealing. By locating the pour spout along an upper side of the bag, material is focused downward from the bag, and not outward, when poured. Bags configured in this manner thus provide end users with enhanced control over the dispensing rate and direction of their contents. In some embodiments, the bag is also configured as a self-supporting bag capable of resting generally upright upon its bottom end.

A pet waste disposal kit includes a kit bag with an impermeable lining that can be worn around the waist or over the shoulder of the pet handler. The kit bag serves as the secondary container for filled waste collection bags, and it also serves to store the other materials contained in the kit. The kit also includes a supply of lightweight, impermeable, biodegradable plastic gloves, which can be made of biodegradable polyethylene, and a supply of waste collection bags made of lightweight, impermeable, biodegradable plastic, containing a disinfecting-deodorizing mixture. The disinfecting-deodorizing mixture contains a highly alkaline compound, a desiccant and a deodorizer. The waste collection bags have re-sealable zip-locks or twist ties. The kit also includes a supply of antiseptic hand wipes or a liquid hand sanitizer.

A sleeve has an open top and side edges. One or more handles are defined by perforations that extend inward from the side edges and can terminate with a stress concentration-reducing shape. The handles may be tapered. The handles may include a reinforcing weld formed by an extension of the bottom seal of adjacent, oppositely oriented sleeves.

In an embodiment of the disclosed technology, a bag is used for transporting and organizing items. The bag is generally formed of a removably attachable upper and a lower portion. The upper portion forms at least a portion of one side of the bag and is attached to the lower portion by a fastening mechanism. The lower portion forms the bottom and at least a portion of the sides of the bag. The upper portion is detachable to provide a hanging accessory organizer, having pockets and suspension device. In embodiments of the disclosed technology, access to the bag may be provided by an additional fastenable opening. Zippers may be used as the fasteners, and may run parallel to one another, completely or partially surrounding the perimeter of the upper portion.

The present disclosure provides a multiple chamber container that includes a container body sealed around a peripheral edge and having an outlet. The container also includes a first peel seal having a projecting portion and a second peel seal that isolates the outlet. The second peel seal may also include a projecting portion. The first and second peel seals may be configured to define a symmetrical chamber. The chamber may include an axis of symmetry extending between the first and second projecting portions. The chamber geometry of the container ensures a correct sequential opening of the first and second peel seals.

A bag 1 with a reclosable tape includes a reclosable tape 20 having a male fastener part 21 and a female fastener part 22 attached to one inner surface of a bag body 10, a cut tape 23 provided between mounting base parts 212 and 222 of those fastener parts, and an easily unsealable structure 50 formed on the mounting base part 212 adjacent to the cut tape 23 in an unsealing start part 30 of a side seal part 60 of the bag body. The easily unsealable structure 50 may be formed by: forming a hole portion 50a or a portion formed by a weak line on the mounting base part 212, arranging a thickness of the mounting base part 212 in the unsealing start part 30 so as to be thinner than other portions, or forming a non-adhesive part between the mounting base part 212 and the cut tape 23.

The present invention regards a package (1) for food products comprising a flexible container (2) having a first wall (5) and a second wall (6) opposite each other and peripherally sealed along at least the respective side edges (5a, 6a, 5b, 6b), a space (8) inside said walls containing, optionally in sterile conditions, a food product (73), and a gusset element (10) extended between the upper edges (5c, 6c) of said first wall (5) and of said second wall (6), said gusset element (10) defining a pocket (14) turned towards the interior of said flexible container (2), characterized in that it comprises an opening and closing device (3) housed in said pocket (14) and constrained to said flexible container (2), said opening and closing device (3) comprising a pourer body (15) associated with an opening and closing cap (16), and cutting means (42) suitable to perforate said flexible container (2) at the time of the first opening of said packaging (1). The invention also regards a method for packaging a food product, in particular in sterile conditions, in a package of the aforesaid type, a flexible container for a package of the aforesaid type as well as a method for producing such container.

An improved liner having an elastic securing mechanism that may be placed in a vessel to form and maintain a barrier between the vessel and objects contained therein. The liner includes an elastic securing band secured around the perimeter of the open top end of the liner using a plurality of spaced-apart tack welds or rivets. In one embodiment, the liner material is folded over the elastic and ultrasonic sealing is used to burn through the elastic and seal the folded liner material to itself thereby securing the elastic to the liner. In use, the liner is placed within a receptacle of the vessel and the open top end is folded outward and downward over a rim of the vessel such that the elastic engages an outside of the vessel to form a secure and snug fit of the liner to the vessel. Advantageously, a failure to a portion of the elastic is limited to that portion of the elastic only and propagation of the failure is limited by the rivets.

Gift bags with removable, configurable and wearable parts and components have multiple interconnected panels which include a bottom panel and multiple interconnected generally vertically oriented side panels which together form a bag or container with an interior volume which is accessible through an opening. Incorporated into or attached to one or more of the side panels or bottom panel are articles or components, structures or objects which fit with one or more of the side panels. The articles, components, structures or objects are detachable from the one or more side panels. The removable components are preferably secured to or made integral with any of the side panels by structures, devices or materials by which the components are both structural; aesthetic, decorative or ornamental, yet also relatively easily detachable.

A first panel includes an engaging section configured to engage with an engaged section so as to allow displacement of the engaged section according to swinging of a hood between a closed position and an open position and restrict the swinging of the hood in a state where an opening section is opened. The engaging section engages with the engaged section such that the engaged section is detachable by being displaced in a predetermined first direction. The machine main body further includes an auxiliary supporting section provided in a machine room and configured to restrict, by detachably supporting the engaged section detached from the engaging section, the swinging of the hood in a state where the opening section is opened.

A security box inter alia for tools has a metal box and a lid of the swing and slide type utilizing a pair of box hinges fixed to the box and a pair of lid hinges fixed to the lid, and a pair of intermediate hinges connected to both sets of hinges by links which make all the hinges parallel and enabling the door hinge to lie outside the plane of the door opening. In a variant, there is no intermediate hinge and the lid opening angle is less. The lid and box have interengaging profiled edges which in the closed position mutually obstruct but, when the lid slides to the open position, the profiles separate and the lid is free to swing open.

This device for locking an opening part (9) of a jet engine nacelle with respect to a fixed part (7, 17) comprises: means (13, 16) for locking said opening part (9) with respect to said fixed part (7, 17), means for actuating (21) these locking means that are mounted such that they can move on said opening part (9) between a closed position, in which they enable said locking means (13, 16) to be immobilized, and an open position, in which they enable these locking means (13, 16) to be released. Said actuating means comprise gripping means (21). This device comprises means (41, 43) for immobilizing, in the open position, said gripping means (21) with respect to said opening part (9) at least in the direction of movement of said opening part (9).

A heavy vehicle door or ramp is opened and closed using an intuitive control system. The door includes a latch assembly, a lock assembly, and a power unit to assist in opening and closing the door. The door includes an interior joy stick handle and an exterior lever handle. From outside the vehicle, the door is opened and closed by pivoting the lever handle downwardly and upwardly, respectively. From the interior of the vehicle, the joy stick handle is pulled inwardly to close the door and pushed outwardly to open the door. Pivoting the joystick handle forwardly engages the blast locks, while pivoting the joystick handle rearwardly unlatches the latch assembly and disengages the blast locks. The power assist unit is actuated by pivotal movement of the outside door handle and lateral pivotal movement of the interior joystick handle.

A catch for securing a door to an object includes an engagement member connected to the door engaging a receiving member of a mount on the object. The door includes a first arm with an oblong hole for pivoting about a pin connected to the mount, and an engagement pin. Moving the door from a closed position causes the engagement pin to rotate with the door about the pivot pin. The door slides downward along the pivot pin as the pivot pin travels within the oblong opening, and the engagement pin makes contact with the receiving member, thereby retaining the door in an open position. Moving the door upward moves the pivot pin downward within the oblong opening disengaging the engagement pin from the receiving member, allowing the door to rotate to a closed position. A latch opposite the first arm retains the door in a closed position.

A trunk switch assembly integrated with an emblem, includes a body; an emblem knob that is coupled with an outer side of the body so as to have an emblem provided on an outer surface thereof and provided with a switch operating rib. The trunk switch assembly further includes a micro switch that is provided in a switch case; a pad that is provided between the emblem knob and the body and provided with a link portion having one part transferring a vertical motion of the emblem knob at the same stroke; and a return spring that is provided on the body to apply the pressing and restoration operating force of the emblem knob. The switch operating rib operates the micro switch according to the pressing motion of the emblem knob.

A window or door fitting for actuation of a mechanism integrated in a window or a door has a stop body that can be attached to the window or the door, a handle, that is rotatably mounted on the stop body in an axially fixed manner, a polygonal element for the mechanical coupling of the fitting to the mechanism integrated in the window of the door, and a coupling configuration formed between the handle and the polygonal element, with which a torque transference from the handle to the polygonal element can be effected, but can be blocked in the direction from the polygonal element to the handle. The coupling configuration has two driving elements for this, wherein a first diving element is connected to the handle in a rotationally locked manner, while a second driving element accommodates the polygon in a rotationally fixed manner.

A locking security cover for an in a ground junction box that opens to the earth. A has an opening for access to the interior of the ground box and a lock receiver fixed thereto. Plural legs support the frame and a base flange engages the bottom of the ground box side walls. The leg mounts are selectively engaged to either a flexible connection suitable for insertion of the frame and the first leg into the ground box as a unit, and a fixed connection. A rigid cover engages the frame and provides a lock recess and lock shroud. A lock inserted into the lock shroud engages a lock receiver fixed to the frame.

A striker device for a motor vehicle door lock having a striker and an element made of a plastic material and equipped with a plate, which is suitable for being placed against a wall of the motor vehicle and is coupled to the striker in fixed relative position; the element has a plurality of tongues, which protrude from the plate in the opposite direction to the striker and are arranged in positions so as to engage, in use, the edges of two apertures in the wall of the motor vehicle, to keep the plate in a fixed reference position during a first fitting step; the tongues are breakable to enable changing the position of the striker device with respect to the wall of the motor vehicle in a possible second fitting step.

An apparatus may include a latch mechanism, an actuator, and an actuation link. The latch mechanism may be movable to allow and restrict movement of a vehicle door relative to a vehicle frame. The actuator may be configured to be movable by a user to cause corresponding movement of the latch mechanism. The actuation link may interconnect the latch mechanism and the actuator. The actuation link may include a portion that is laterally compliant to absorb a lateral force and axially rigid to transmit motion of the actuator to the latch mechanism.

A magnetic latch for industrial environments includes fixed magnetic pole pieces that may be sealed within a housing to resist environmental contamination and which provide for perpendicular engagement faces for use with gates having a rolling or swinging configuration. An RFID tag reader may be incorporated into the magnet assembly of the latch for reading a specially encoded RFID tag in a keeper portion of the magnetic latch.

Methods and devices for milling a channel-shaped cavity by a five-axis computer numerical control (CNC) machine by selecting a workpiece to be machined, determining cutting tool flow along the channel-shaped cavity, determining cutting tool in-depth penetration, determining a trochoid path, and determining auxiliary movements.

A key duplication system comprising a key duplication housing wherein at least one key receiving aperture on a first side of the housing sized to receive a key blade and at least one key clamp adjacent to the at least one key receiving aperture, the clamp comprising a first clamp arm with a surface topography corresponding to a first key blade surface topography and a second clamp arm with a surface topography corresponding to a second key blade different from the first key blade.

An apparatus for forming a bend in a composite panel is provided. An angle and a radius bend are identified for a bend. A location of the bend in the composite panel is identified. A slot is cut having a curved flange in the composite panel at the identified location in a single pass through the composite panel with a tool, wherein the curved flange has a shape with a bend allowance width and a bend slot width. The bend allowance width is BA=2π*A/360, wherein BA is the bend allowance width, R is a corner radius, and A is a bend angle. The bend slot width is BS=BA−2K(R−T), wherein K is Tan(A/2) and T is a thickness of the composite panel.

A translocation-simulating loading apparatus for the gear grinding machine with the shaped grinding wheel is provided. The apparatus includes a load-receiving test piece disposed on the gear grinding machine with the shaped grinding wheel and a load-exerting component for use in loading simulation. The gear grinding machine enables linear movements along the X, Y, and Z axes, a rotary movement around the Y axis, a rotary movement C around the Z axis, and a rotary movement A around the X axis. An angle α is formed between the axis L of a ball seat of the load-exerting component and the X axis direction of a Y axis component and an angle formed between the normal line of a load receiving face a and the X direction of the coordinate system of the machine tool is α. A detection method for static stiffness distribution is provided.

A method of machining bevel gears whereby machining of both flanks of a tooth slot and crowning of the tooth surfaces in the lengthwise direction are realized without an active pivot axis and by a modification of the conventional relationship between the radial and swivel basic settings during gear generating.

Apparatus, systems and methods of 50 CFM exhaust and ventilation fans for bathrooms with grill covers having removable light lens covers, and flaps/ears that allow the housings to mount directly to joists and/or other structural members inside of a ceiling or inside of a wall. The housing can include a mounting plate having a motor with attached impeller thereon, wherein the mounting plate with motor and attached impeller and electrical connectors can be removed as a single unit from the housing for accessing and inspecting interior wire connections during inspection and for ease in replacing parts such as burned out motors overtime.

The invention provides a method and system of monitoring bending strain on a wind turbine blade. The method in one aspect comprises: locating at least three strain sensors on the turbine blade, in use each strain sensor providing a strain measurement, the strain sensors located such that edgewise and flapwise bending can be determined from the strain measurements; calculating a plurality of resultant bending strains using the strain measurements; calculating an average resultant bending strain from the plurality of resultant bending strains; and calculating a confidence value for a first sensor based on a comparison of resultant bending strains derived from the strain measurement from the first sensor with the average resultant bending strain.

A wind turbine rotor includes a hub with a rotor blade mounted to a bearing of the hub wherein the rotor blade has a longitudinal axis extending in a radial direction relative to an axis of rotation of the hub, and the rotor blade is rotatable about its longitudinal axis whereby the pitch of the rotor blade is adjustable. The rotor blade has a tag such as an RFID tag fixed on the rotor blade at a predetermined angular position about the longitudinal axis of the rotor blade; and a sensor is fixed on the hub for contactless sensing of the tag when the tag is in a predetermined angular position about the longitudinal axis of the rotor blade. Repeated and accurate calibration of rotor blade pitch is hereby made possible.

A rotating airfoil component of a turbomachine, in which the component has an airfoil aligned in a spanwise direction of the component, a shank, and a platform therebetween oriented transverse to the spanwise direction. The platform has an outer radial surface adjacent the airfoil, and at least one recessed region defined in its outer radial surface. The recessed region extends opposite the spanwise direction from a platform plane that contains portions of the outer radial surface that are upstream and downstream from the recessed region. The recessed region is contiguous with an end wall of the platform and extends therefrom toward the airfoil. The recessed region defines a surface shape whose boundary is contained by the platform plane, and has a profile shape that extends from the end wall toward the airfoil. The recessed region is sized and shaped to increase the stiffness of the platform.