Pressure relief/drainage valve for a concrete pumper having a valve body with an axially extending passageway through which concrete flowing in a pumping line passes, an outlet port in a side wall of the passageway, and a valve member which prevents concrete from passing through the port when the valve is a closed position and permits concrete to discharge through the outlet port when the valve is in an open position.

In a control device for a technical processing plant, a pneumatically driven actuator having an actuator stem is provided together with a valve operated by the actuator, the valve having a valve stem. A valve element is attached to the valve stem. A stem connector connects the two stems to each other for a forced transmission of axial actuating movements and for modifying an axial distance between adjacent ends of the valve stem and the actuator stem to adjust a total axial length of the two stems. The stem connector comprises two half-shells connected to each other, and two positioning devices are provided for a friction-locking coupling of the half-shells to the respective ends. At least one of the positioning devices is designed to modify an axial attachment position of the half-shells along one of the stems.

The present invention involves, in some embodiments, systems and methods involving fluid handling apparatus for pumping fluid to and from a patient, which may include a reusable component and a disposable pumping cartridge. The reusable component may comprise a control chamber and a pressure transducer configured to measure a gas pressure associated with the control chamber, as well as a processor. The processor may be configured to supply the control chamber with a gas at a predetermined pressure, monitor the gas pressure associated within the control chamber with the pressure transducer over a predetermined period of time, and determine if the change in gas pressure associated within the control chamber exceeds a maximum allowable predetermined limit.

In a disclosed embodiment, a method for tiling selected vias in a semiconductor device having a plurality of vias comprises generating a layout database for the semiconductor device; creating zones around the plurality of vias; measuring density of covering metal in each zone; selecting a low density zone as being a zone that has a metal density less than a threshold metal density; and adding at least one tiling feature on a metal layer above the plurality of vias in the low density zone so that metal density of the low density zone increases to at least the same as the threshold metal density.

A bump-on-trace (BOT) structure is described. The BOT structure includes a first work piece with a metal trace on a surface of the first work piece, wherein the metal trace has a first axis. The BOT structure further includes a second work piece with an elongated metal bump, wherein the elongated metal bump has a second axis, wherein the second axis is at a non-zero angle from the first axis. The BOT structure further includes a metal bump, wherein the metal bump electrically connects the metal trace and the elongated metal bump. A package having a BOT structure and a method of forming the BOT structure are also described.

Embodiments generally relate to optoelectronic devices and more specifically, to textured layers in optoelectronic devices. In one embodiment, a method for providing a textured layer in an optoelectronic device includes depositing a first layer of a first material and depositing an island layer of a second material on the first layer. Depositing the island layer includes forming one or more islands of the second material to provide at least one textured surface of the island layer, where the textured surface is operative to cause scattering of light.

The purpose of the present invention is to provide a projection image display device in which all of the multiple light sources to be used are positioned optimally, regardless of the mode of installation of the device. This projection image display device has two illumination optical systems (1, 2) that are each provided with a light source (111, 211), a color separator for separating into three colors of light, a liquid crystal panel (150, 250) for forming an optical image, and a color synthesis prism (160, 260) for color-synthesizing. A polarization beam splitter (3) for synthesis synthesizes an optical image formed by the illumination optical system (1, 2), and projects the same from a projection lens (4). The optical axis (101, 201) of each light source (111, 211) is positioned within the same plane as the optical axis (401) of the projection lens (4), and so as to orthogonally intersect the optical axis (401) of the projection lens.

Provided is a back plate component having reflective sheet reinforcing structure. The back plate component includes: a frame, a reflective sheet and a plurality of supporting film sheets. The frame includes a plurality of lateral beams and vertical beams, and at least one hollow part is included between the lateral beams and the vertical beams. The reflective sheet is attached to the frame, and includes a reflective surface and a back surface corresponding to the reflective surface. A portion of the back surface covers the whole hollow part. The plurality of supporting film sheets is attached to the back surface at a region corresponding to the hollow part, and includes a material the same as that of the reflective sheet. A liquid crystal display device is further disclosed herein.

The present invention provides an optical compensated bending (OCB) mode liquid crystal display (LCD) panel and a method for manufacturing the same. The method comprises the following steps: forming alignment layers on substrate, respectively; forming a liquid crystal layer between the alignment layers to form a liquid crystal cell; applying an electrical signal across the liquid crystal cell; and irradiating light rays to or heating the liquid crystal cell, so as to form a first polymer alignment layer and a second polymer alignment layer, respectively. The present invention can reduce a phase transition time of liquid crystal molecules from a splay state to a bent state.

Constant-temperature equipment wherein mechanical and electrical structures are eliminated from the inside of a temperature-controlled chamber (15) by using a non-contact magnetic arrangement as a drive transmission for a sample table (5) and a sample table drive mechanism (6), thus reducing failure and enhancing maintainability. In addition, a conveyance mechanism (11) is provided with a pass box adjacent which sliding shielding plates (9) are stacked vertically, and the shielding plates (9) are linked with the conveyance mechanism (11) by an engaging mechanism provided in the conveyance mechanism (11) to allow the plates to be opened and closed by a travel mechanism (12), thus simplifying the structure and minimizing change in atmosphere during conveying. The sample table drive mechanism (6) and the conveyance mechanism (11) can be attached removably to the temperature-controlled chamber (15) to permit sterilization at high temperature.

Provided is constant-temperature equipment wherein maintenance is facilitated with the least failure, and highly reliable culturing and testing can be carried out. Mechanical and electrical structures are eliminated from the inside of a temperature-controlled chamber (15) by using a non-contact magnetic arrangement as a drive transmission for a sample table (5) and a sample table drive (6), thus reducing failure and enhancing maintainability. In addition, a conveyor (11) is provided with a pass box to minimize change in atmosphere during conveying. The sample table drive (6) and the conveyor (11) can be attached removably to the temperature-controlled chamber (15) to permit sterilization at high temperature.

Management of the health status of an animal colony using a plurality of blood collection cards and the analysis of dried blood from members of the colony that has been collected on the cards. Members of the colony may be removed from the colony as a result of the analysis.

The invention provides an improved design for the construction of extensible nucleic acid-based, ligand-controlled regulatory systems, and the nucleic acid regulatory systems resulting therefrom. The invention contemplates improving the design of the switches (ligand-controlled regulatory systems) through the design of an information transmission domain (ITD). The improved ITD eliminates free-floating ends of the switching and the competing strands, and localizes competitive hybridization events to a contiguous strand of competing and switching strands in a strand-displacement mechanism-based switch, thereby improving the kinetics of strand-displacement. The improved regulatory systems have many uses in various biological systems, including gene expression control or ligand-concentration sensing.

Methods and agents for reducing a level of an acetylated Tau polypeptide in a cell are provided. Methods for treating a tauopathy in an individual are also provided. Also provided is a method for diagnosing a cognitive impairment disorder in an individual. Methods for identifying an agent suitable for treating a tauopathy are also provided.

The invention relates to methods and compositions for identifying and selecting maize plants with enhanced resistance to northern leaf blight. Maize plants generated by the methods of the invention are also a feature of the invention.

The present invention relates to a composition useful for the diagnosis of diseases associated with aberrant expression of the genes encoding the secreted proteins Futrin 1, 2, 3 and/or 4(=R-Spondin 2, 3, 1 and 4, respectively), e.g. in connection with tumors or diseases of the muscle, kidneys or bones. The present invention also relates to a pharmaceutical composition containing a compound which is capable of modifying (a) the expression of the gene encoding Futrin 1, 2, 3 and/or 4 or (b) the activity of the Futrin 1, 2, 3 and/or 4 protein.

An automated method for detecting the presence of a nucleic acid in a sample, where the method is performed within a housing of a self-contained, stand-alone analyzer. The method includes purifying the nucleic acid after it has been immobilized on a magnetically-responsive solid support. A pipette of the analyzer is used to form a reaction mixture comprising the purified nucleic acid and all reagents required to perform a nucleic acid amplification. Amplification products are synthesized that include a nucleotide sequence contained in the nucleic acid or the complement of the nucleic acid. The amplification products are exposed to a probe in a mixture, where the probe forms a hybrid with one of the amplification products. The formation of the hybrid in the mixture provides an indication of the presence of the nucleic acid in the sample.

A chair has a seat support (101), a seat portion (13), a back portion (15), and a supporting frame. The supporting frame is formed by a castored base (11), a height adjustment mechanism (17), and a main transom (21). The seat portion (13) is selectively moveable relative to the supporting frame, with the seat portion having a locked configuration and a released configuration. The back portion has a back frame (25) and a compliant cover (61). The back frame has hook features for receiving a portion of the compliant cover (61). The back portion (15) is reclinable relative to the supporting frame between an upright position and a reclined position. A recline mechanism has deformable members operatively connecting the seat portion and the supporting frame. A recline resistance mechanism is selectively engageable to resist movement of the back portion toward the reclined position.

A composite chair includes a chair frame and a fastening assembly. The chair frame includes a front support portion, a rear support portion and two support seat tubes connecting the front support portion to the rear support portion. The rear support portion includes a holding portion and two locking holes. Each support seat tube has a first opening and a second opening faced the fastening hole. The fastening assembly includes two fastening elements inserted in the first openings, a support bar connected to the two fastening elements and two fasteners run through the locking holes and the second openings to fasten to the fastening elements. Each of the fastening elements includes a butting portion and a screw hole. Each of the fasteners includes a thread portion fastened to the screw hole and a detent block butting the holding portion. The composite chair thus formed can be assembled easily.

Provided is an oscillator including: a MEMS resonator for mechanically vibrating; an output oscillator circuit for oscillating at a resonance frequency of the MEMS resonator to output an oscillation signal; and a MEMS capacitor for changing a capacitance thereof caused by a change in a distance between an anode electrode and a cathode beam according to an environmental temperature.

The invention discloses a varactor device (100) for improved temperature stability, comprising a first varactor (160) connected to a decoupling network (150). The device further comprises a voltage stabilizer (110), said stabilizer comprising a capacitor (140) and a temperature dependent capacitor (130), and in that the stabilizer comprises means for connection to a DC-feed (120). Suitably, the decoupling network (150) is connected in parallel to the first varactor (160), and the capacitor (140) of the voltage stabilizer (110) is connected in parallel to the decoupling network (150), the temperature dependent capacitor (130) of the voltage stabilizer (110) being connected in series to the diode of the voltage stabilizer (110).

An embodiment of the present invention provides an apparatus, comprising at least one anti-parallel pair VVC network comprised of two parallel VVCs with one biased in the opposite polarity of the other and at least one anti-series VVC network comprised of two VVCs configured in series, one biased in the opposite polarity of the other such that the resulting AC capacitive variations produce a desired capacitance variation.

Aspects and embodiments of the present invention provide a system for obtaining, processing and managing data from an implanted sensor. In some embodiments, a patient or other persons can use a flexible antenna to obtain data from the implanted sensor. The flexible antenna includes at least one transmit loop and at least one receive loop. The transmit loop is adapted to propagate energizing signals to the implanted sensor. The receive loop is adapted to detect a response signal from the implanted sensor. The transmit loop includes a capacitor formed by a discontinuous area. The capacitor is adapted to allow the loop to be tuned. The flexible antenna can communicate with a patient device that collects the data from the implanted sensor, creates a data file and transmits the data file to a remote server over a network. A physician or other authorized person may access the remote server using an access device.

Methods and apparatus for computing the carrier frequency of a transmitter using frequency modulated digital data to compensate for frequency shifting of the transmitter and the receiver local oscillators and for bandwidth adjustment of the receiver's filter. In particular, methods and apparatus are disclosed for binary systems transmitting “1” and “0” data using decoded or undecoded received signals.

An electrical component provides a ceramic element located on or in a dielectric substrate between and in contact with a pair of electrical conductors, wherein the ceramic element includes one or more metal oxides having fluctuations in metal-oxide compositional uniformity less than or equal to 1.5 mol % throughout the ceramic element. A method of fabricating an electrical component, provides or forming a ceramic element between and in contact with a pair of electrical conductors on a substrate including depositing a mixture of metalorganic precursors and causing simultaneous decomposition of the metal oxide precursors to form the ceramic element including one or more metal oxides.

An improved grounding technique for mechanically adjustable rotary capacitors uses a directly grounded bronze sliding contact to effectively and continuously ground the rotating comb-like blades of the capacitor. RF measurements of the continuity and repeatability of the capacitance settings prove the suitability of the modified capacitors for using in pre-calibrated multi-capacitor MHz range impedance tuners.

There is provided a complex tuner module including a plurality of tuner chips through which users may simultaneously view and record a plurality of channels. The complex tuner module includes: a module substrate having a plurality of tuner chips mounted thereon; and a chassis part connected to the module substrate and having a plurality of blocking sidewalls disposed in spaces between the tuner chips to thereby block interference between the tuner chips.

A time stamp is a device that prints time information on a time card inserted into a time card slot. The time card slot is formed to be inclined downwardly in the depthwise direction of the time stamp at an angle of 8 to 10 degrees or so with the mount surface of the time stamp being a reference. The time stamp has a mount portion to be attached to a wall surface. The time card slot extends in a direction orthogonal to the rear surface of the time stamp.

A method enables changes in the operation of a web printing system in response to web dimensional changes being detected. The method includes identifying a cross-process dimensional change in a web moving through a printing system, comparing the identified cross-process dimensional change to a predetermined threshold, and changing operation of a component in the web printing system in response to the cross-process dimensional change exceeding the predetermined threshold.

The present invention is a method which erase information printed on a recording medium if necessary and thus reuse the recording medium, and includes 1) decolorable ink compositions which are not erased during the use but erased by a dye readily decolorable by a decolorant, 2) a decolorant composition including a thermal initiator or photoinitiator, and 3) a method for coating the decolorant and applying heat or irradiating UV to erase the dye. According to the present invention, it is possible to prepare various writing inks, and particularly, when applied to recording medium with a magnetic stripe as well as the general purpose papers, it is possible to reduce the production cost significantly, obtain a large import substitution effect of the magnetic ink all of which are imported, and largely reduce the environmental pollution.

A computerized chart recorder is revealed, comprises a signal conversion unit, an operation control unit, a printing control unit, and a database. A signal conversion unit receives measurement signals of a measurement instrument, and converts the measurement signals to signal conversion data. A operation control unit receives the signal conversion data required for printing, produces corresponding chart data, and prints the curve of signal variations, which can be also displayed on a human-machine interface unit. Whether to store the data or to print can be determined. Besides, the data can be also transmitted to a printing control unit. When the printing control unit is activated, it can receive the chart data and the quality assurance data, and control a printing unit to emulate the chart recorder for executing chart recording. In addition, the quality assurance data can be printed as well for complying with the requirements of the quality-assurance operations.

Systems and methods are provided for installing workflow servers for a print shop. One embodiment is a system that installs a workflow server for a print shop. The system accesses installation templates, configured for different categories of print shop, that describe a set of print shop resources expected to exist at the category of print shop. The system also installs workflow server software on a computer system of a print shop. During the installation, the system determines a category for the print shop, selects an installation template that matches the category of the print shop, and performs a dialogue of queries with a user to determine which resources of the set of print shop resources identified by the installation template are available to the print shop, wherein the dialogue excludes queries for print shop resources that are not in the set of print shop resources described by the installation template.

Next generation pervasive wireless ecosystems and mobile information apparatus are herein disclosed and enabling millions of users to migrate to pervasive digital living and enterprise. Wireless communications may include the mobile information apparatus accessing wireless local area network or by direct wireless communication. The mobile information apparatus may include a wireless unit compatible with Bluetooth and/or IEEE802.11. Mobile information apparatus may conduct a local area wireless search within short distances for discovering wireless devices in its vicinity, receive an attribute related to the discovered wireless device, establish secure wireless communication with the discovered wireless device, and transfer or synchronize digital content or applications to/from the discovered wireless device. The discovered wireless device may be other mobile apparatus, wireless televisions, wireless audio devices, wireless speakers, wireless printers, among others, in a digital living room or office. Mobile apparatus may be smart phones, information pads, or laptops with touch sensitive screen interface.

A print drum subassembly suitable for ink jet printing applications includes a composite print drum including an outer shell having a wall thickness in a range of about 1.5 mm to about 15 mm and a thermal conductivity greater than about 200 W/m-K disposed around a hollow core having wall thickness in a range of about 4 mm to about 30 mm and a thermal conductivity less than about 10 W/m-K. A radiant heater is arranged within the hollow core and is configured to heat the outer shell without substantially heating the hollow core.

The inside of a housing of a printer device is cooled by the air from a ventilation port and, consequently, the temperature of solder SP on a mask surface supported by a mask holding frame inside the housing can be kept low. Moreover, provided is a mask cover for blocking the air flow from the ventilation port toward the mask, and the drying of the solder SP caused by the wind from the ventilation port is thereby inhibited as a result of the wind from the ventilation port not coming into contact with the solder SP on the mask surface. In this way, the solder SP is cooled while inhibiting the drying of the solder SP and, consequently, it is possible to appropriately inhibit the change in viscosity of the solder SP, and favorable printing can be realized.

Provided is a welding metal in which the chemical component composition thereof is appropriately controlled; an A value that is specified by a predetermined relational expression satisfies the requirement of being 3.8% to 9.0%; an X value that is specified by a predetermined relational expression satisfies the requirement of being 0.5% or greater; the area percentage of carbide particles having a circle-equivalent diameter of 0.20 μm or greater in the welding metal is 4.0% or less; and the number of carbide particles having a circle-equivalent diameter of 1.0 μm or greater is 1000 particles/mm2 or less. This welding metal, which can exhibit not only high strength but also good low-temperature toughness and good drop-weight characteristics, is useful as a material for a pressure vessel in a nuclear power plant.

A gamma prime nickel-base superalloy and components formed therefrom that exhibit improved high-temperature dwell capabilities, including creep and hold time fatigue crack growth behavior. A particular example of a component is a powder metallurgy turbine disk of a gas turbine engine. The gamma-prime nickel-base superalloy contains, by weight, 16.0 to 30.0% cobalt, 11.5 to 15.0% chromium, 4.0 to 6.0% tantalum, 2.0 to 4.0% aluminum, 1.5 to 6.0% titanium, up to 5.0% tungsten, 1.0 to 7.0% molybdenum, up to 3.5% niobium, up to 1.0% hafnium, 0.02 to 0.20% carbon, 0.01 to 0.05% boron, 0.02 to 0.10% zirconium, the balance essentially nickel and impurities, wherein the titanium:aluminum weight ratio is 0.5 to 2.0.

A gamma prime nickel-base superalloy and components formed therefrom that exhibit improved high-temperature dwell capabilities, including creep and hold time fatigue crack growth behavior. A particular example of a component is a powder metallurgy turbine disk of a gas turbine engine. The gamma-prime nickel-base superalloy contains, by weight, 18.0 to 30.0% cobalt, 11.4 to 16.0% chromium, up to 6.0% tantalum, 2.5 to 3.5% aluminum, 2.5 to 4.0% titanium, 5.5 to 7.5% molybdenum, up to 2.0% niobium, up to 2.0% hafnium, 0.04 to 0.20% carbon, 0.01 to 0.05% boron, 0.03 to 0.09% zirconium, the balance essentially nickel and impurities, wherein the titanium:aluminum weight ratio is 0.71 to 1.60.

There is provided a bearing for motor-powered fuel injection pumps, made from Cu—Ni-based sintered alloy, which is able to be obtained at a low cost, having excellent corrosion and abrasion resistances. The bearing contains 10 to 20% by mass of Ni, 5 to 13% by mass of Sn, 0.1 to 0.8% by mass of P, 1 to 6% by mass of C, and a remainder containing Cu and inevitable impurities, and is formed with a Ni—Sn—Cu—P phase containing at least 30% by mass of Sn in a grain boundary, and has a 8 to 18% porosity. The Ni—Sn—Cu—P phase contains 30 to 49% by mass of Ni, 10 to 30% by mass of Cu, 0.5 to 1.5% by mass of P, and a remainder containing Sn and inevitable impurities.

The invention concerns steels having excellent resistance over time, in a corrosive atmosphere due to oxidizing environments such as, for example, fumes or water vapor, under high pressure and/or temperature. The invention concerns a steel composition for special applications, said composition containing, by weight, about 1.8 to 11% of chromium (and preferably between about 2.3 and 10% of chromium), less than 1% of silicon, and between 0.20 and 0.45% of manganese. It has been found that it is possible to adjust the contents of the composition based on a predetermined model, selected to obtain substantially optimal properties with respect to corrosion in specific conditions of high temperature performances. Said model can involve as additive of as residue at least one element selected among molybdenum, tungsten, cobalt, and nickel.

The present invention provides a sputtering target suitable for producing an amorphous transparent conductive film which can be formed without heating a substrate and without feeding water during the sputtering; which is easily crystallized by low-temperature annealing; and which has low resistivity after the crystallization. An oxide sintered compact containing an indium oxide as a main component, while containing tin as a first additive element, and one or more elements selected from germanium, nickel, manganese, and aluminum as a second additive element, with the content of tin which is the first additive element being 2-15 atom % relative to the total content of indium and tin, and the total content of the second additive element being 0.1-2 atom % relative to the total content of indium, tin and the second additive element.

A mechanical capstan amplifier. The mechanical capstan amplifier (60) having a first tensioner (64) with a first actuating rod (72) extending therefrom. The first tensioner (64) is configured to rotate the first actuating rod (72). The amplifier (60) also includes a drive motor (62) having a drive rod (78) extending therefrom. The drive motor (62) is configured to rotate the drive rod (78). A first cord (66), extending between the first actuating rod (72) and a first load to be moved also extends at least partially around the drive rod (78). Actuation of the first tensioner (64) causes the first cord (66) to tighten around the drive rod (78) and moves the load.

A cleaning assembly including a disposable cleaning implement having a cleaning element mounted to a fitment having an elongated post. The cleaning assembly includes an elongated maneuvering wand having a handle portion and a distal implement attachment end thereof. A gripping mechanism is coupled to the wand attachment end, and is configured to releasably grip the fitment post to mount the cleaning implement. The gripping mechanism and the maneuvering wand cooperate to substantially limited pivotal movement of a longitudinal axis of the fitment post, relative a longitudinal axis of the gripping mechanism to not more than about 0 degrees to about 25 degrees when the fitment post is subjected to forces radial to the longitudinal axis of the fitment post. In another aspect, the frictional drag between the sliding components is significantly reduced, enabling a tool assembly with a high axial holding force for the cleaning implement, but with a significantly lower, consumer friendly release force for the Implement during release operation of the tool assembly.

A clamping mechanism includes an adjusting assembly, a driving assembly and a plurality of clamping assemblies. Each clamping assembly includes a base body slidably sleeved on the driving assembly. The adjusting assembly includes a first adjusting member, and a second adjusting member parallel to the first adjusting member. The first adjusting member is fixed to a base body located on a first end of the plurality of clamping assemblies. Opposite ends of the second adjusting member are fixed to the driving assembly and a base body located on a second end of the plurality of clamping assemblies. Each of the first and second adjusting members respectively define a plurality of first and second steps. The first steps and the second steps slidable resist sidewalls of the base body. An upward direction of the plurality of first steps is reverse to that of the plurality of the second steps.

A gripper (42) for gripping an object (14), intended for a transfer device includes two jaws (64, 66). Each of the jaws includes: a recess (92), and a first clamping portion (94) and a second locking portion (96). The first clamping portion (94) of each jaw (64, 66) of the gripper (42) includes a supporting surface and, when the gripper (42) is closed around an object (14) occupying a predetermined reference position, the supporting surface is intended to engage with a portion of a bearing surface of a radial collar of the object.

A clamp for a tensile implement and method of clamping a tensile implement is disclosed. The clamp is portable and adaptable to different sizes of tensile implements. The clamp includes a cavity defined by side surfaces of a pair of blocks which are attached to a top surface of a grip base. A pair of mated reciprocal wedges, selected based on size of the tensile implement from a plurality of pairs of wedges, fits and slides within the cavity in order to grip the tensile implement. Each one of the wedges has a planar surface for sliding and a semi-cylindrical void which forms a cylindrical void through which the tensile implement passes when fully clamped around the tensile implement.

A jointed mechanism including a segment coupled to a joint; and an elongated component coupled to the segment, where applying a pulling force to the elongated component rotates the segment around the joint, elastically deforming the elongated component; wherein the elastic deformation generates an elongated component elastic force sufficient to rotate the segment, in an opposite direction, in absence of the pulling force.

A method and apparatus for repairing and/or reinforcing a Boiling Water Reactor (BWR) jet pump riser pipe. The repair includes attaching two collars to the riser pipe using match drilling to drill holes through the collars and the riser pipe and plugging the holes with expandable plugs. Support columns are attached to the collars. Brace supports are slideably attached to the support columns. Gaps between each brace support and its respective collar are then narrowed as ratchet bolts may apply a force that pulls downward on an upper collar and pulls upward on a lower collar, thereby exerting a compression force on the riser pipe. A clamp assembly may also be located between the two collars that applies a hoop force on the riser pipe.

A pressurized water nuclear reactor (PWR) includes a once through steam generator (OTSG) disposed in a generally cylindrical pressure vessel and a divider plate spaced apart from the open end of a central riser. A sealing portion of the pressure vessel and the divider plate define an integral pressurizer volume that is separated by the divider plate from the remaining interior volume of the pressure vessel. An internal control rod drive mechanism (CRDM) has all mechanical and electromagnetomotive components including at least a motor and a lead screw disposed inside the pressure vessel. Optionally CRDM units are staggered at two or more different levels such that no two neighboring CRDM units are at the same level. Internal primary coolant pumps have all mechanical and electromagnetomotive components including at least a motor and at least one impeller disposed inside the pressure vessel. Optionally, the pumps and/or CRDM are arranged below the OTSG.

A jet pump beam (hereinafter, referred to as a beam) is fitted into a pair of projecting portions installed to a transition piece, and after the beam is arched, a beam bolt engaged with the beam is tightened. An end of the beam bolt comes in contact with a top surface of an insert member fitted into an elbow disposed between the pair of projecting portions. An ultrasonic sensor head is fixed to the beam bolt, and ultrasonic waves are sent to the beam bolt from the ultrasonic sensor in the ultrasonic sensor head. An ultrasonic measuring apparatus obtains echo intensity of each of reflected waves generated at the end of the beam bolt and a bottom surface of the insert member, and based on the echo intensities, an echo intensity ratio R is calculated. The installed state of the beam is checked using the echo intensity ratio R.