Abstract: A catalyst bed assembly, comprising: an outer housing having an open interior, an inlet leading to the open interior, and an outlet from the open interior; a catalyst bed in the open interior; and a gap between the outer housing and the catalyst bed. The open interior receives material from the inlet. A portion of the material enters the catalyst bed to expose said material to a catalyst so that the material and the catalyst react and create heat within the catalyst bed assembly. A remainder of the material enters the gap between the outer housing and the catalyst bed to cool the catalyst bed assembly. The catalyst bed assembly could be part of a turbopump assembly. The turbopump assembly would further include a nozzle downstream of the outlet; a turbine downstream of the nozzle; and a pump driven by said turbine.

Abstract: An oil-free air compressor is characterized in an air inlet provided at a lateral open end of a crankcase of the air compressor. External air enters into the crankcase via the lateral air inlet and then enters into a cylinder above the crankcase via a check valve provided on a piston head in the cylinder. Air in the cylinder is compressed by the piston head and then discharged to an air storage tank via a single air outlet provided on a cylinder head of the cylinder.

Abstract: Nozzle assembly for injecting a liquid into a process unit through a cross fitting body having at least one of a first and second crossing passageway therethrough with a tubular member carrying a nozzle being injected through one of the cross passageways to position the nozzle carried on the tubular member for the injection of liquid into the processing unit with the liquid being supplied to the tubular member via the other crossing passageway through which liquid is supplied to openings in the tubular member which is in liquid communication with the first crossing passageway to supply liquid to the nozzle.

Abstract: A method for reducing ice formation in a gas-driven motor and a reduced-icing, gas-driven motor are provided, the motor having a housing with a first pressure chamber and a second pressure chamber. At least one partition is disposed in the housing and is reciprocally moveable therein responsive to a motive gas being alternately provided to and exhausted from the first and second pressure chambers. A motive gas conduit is disposed between and connects the pressure chambers such that, upon providing the first pressure chamber with motive gas and exhausting the second pressure chamber of motive gas, a portion of the motive gas is permitted to pass from the first pressure chamber to the second pressure chamber through the motive gas conduit. Also provided are a reduced-icing diaphragm and piston pumps having the reduced-icing, gas-driven motor according to the present invention.

Abstract: A system for driving a compressor is disclosed. The system includes an internal combustion engine in communication with the compressor for selectively driving an input shaft of the compressor; an electric motor in communication with the compressor for selectively driving the compressor when the compressor is not being driven by the engine; and a gear assembly operatively connected to a motor output of the electric motor shaft for changing a rotational speed of the motor output shaft.

Abstract: The invention concerns a pumping unit wherein the vacuum pump (100) is driven by a motor (3, 4) comprised in a common monobloc housing forming motor housing (5) and oil pan (18) containing a gear assembly (17) for coupling two parallel pump rotors (14). To complement the sealing conditions provided by a dynamic seal (6), the motor stator (4) consists of an electric coil embedded in an oil-tight and gas-tight resin, thereby not requiring other more expensive and bulky sealing means, reducing production cost and enhancing the pumping unit dependability.

Abstract: A fan apparatus comprising a fan with fan blades, a motor for rotating the fan blades, this motor having a rotatable output shaft projecting from one end and a fan support structure capable of supporting the fan and its motor and having an opening for an airflow through the fan. The support structure includes two support brackets connected to motor mounting surfaces on opposite sides of the motor and extending between the motor and a fan-supporting panel or housing. Each support bracket is formed from one integral metal piece comprising a central section, which is connected to the motor mounting surface by bolts, and two similar wing sections extending from opposite ends of the central section. Each wing section forms an obtuse angle with the central section and is detachably connected by bolts to the panel or housing. The obtuse angle is preferably about 135 degrees.

Abstract: The present invention relates to a cooling system specially used generated when a CPU of a desktop computer operates. The present invention provides a magnetic-levitated cooling circulatory mechanism, which comprises an outer ring heat spreader having a hollow position therein, a plurality of heat-radiating fins inside the outer ring heat spreader, a magnetic hollow cavity capable of slidably rotating in the hollow position of the outer ring heat spreader, and a magnetic windmill placed at one end of the outer ring heat spreader. The magnetic windmill is driven to rotate by a power source. When the magnetic windmill rotates, the magnetic hollow cavity can be attracted to rotate so as to quickly transfer heat source, thereby achieving the heat-radiating function of compulsory flow of fluid.

Abstract: A centrifugal compressor that includes a low speed shaft connected to a drive motor and a high speed shaft containing an impeller. The high speed shaft is coupled to the low speed shaft by a gear train. The low speed shaft is supported by hydrodynamic, oil lubricated, bearings while the high speed shaft is supported by roller and ball bearings. Any vibrational stresses developed in the high speed shaft are dampened by the low shaft system through the gear train coupling.

Abstract: The present invention relates to a micropump which is driven by movement of a liquid drop based upon continuous electrowetting actuation. The continuous electrowetting means a phenomenon that the liquid drop moves as the surface tension of the liquid drop is electrically varied in succession. When a tube in which electrolyte and a liquid metal drop are inserted is applied with voltage having periodically changing polarity via metal electrodes, the surface tension of the liquid metal is varied so that the liquid metal drop reciprocates in the tube generating pressure or force, which is used as a driving force of the micropump. The micropump is operated in a low voltage and consumes a small amount of electric power.

Abstract: Compressor are taught that may include a suction port to draw refrigerant and a discharge port to discharge compressed refrigerant. A driving shaft is disposed within a compressor driving chamber. A swash plate is inclinably and slidably coupled to the driving shaft. The swash plate rotates together with the driving shaft at an inclination angle with respect to a plane perpendicular to the rotational axis of the driving shaft. A cylinder bore is disposed adjacent to the compressor driving chamber. A piston is disposed within the cylinder bore and an end portion of the piston is connected to a peripheral edge of the swash plate by a shoe. Preferably, the piston reciprocates within the cylinder bore to compress the refrigerant in response to rotation of the inclined swash plate. A rotor is connected to the driving shaft. A hinge mechanism connects the swash plate with the rotor and transmits torque from the driving shaft to the swash plate regardless of the inclination angle of the swash plate.

Abstract: An air compressor unit having an enclosure with a base. A motor is rigidly mounted to the base, and the motor drives both an airend and an impeller. The airend is pivotally mounted with respect to the base. The airend is directly connected to a horizontal separator tank, and the separator tank supports the airend. The airend and separator tank comprise a single integrated unit, and the separator tank is pivotally mounted to the base. The motor is a dual shafted motor having a drive side shaft and a non-drive shaft extending from opposite ends of the motor. A drive system is coupled to the drive side shaft and transfers power from the motor to the airend. The drive system is a belt and pulley system, and the airend is pivoted with respect to the motor to adjust belt tension. The impeller is coupled to the non-drive side shaft.

Abstract: A motor-driven compressor includes a motor and a compression portion for compressing a refrigerant. The motor-driven compressor comprises an input terminal for the motor and a drive circuit for controlling a rotation speed of the motor. The input terminal of the motor passes through an opening formed through a wall of a refrigerant suction route, whereby the input terminal is secured to the wall, and extends beyond the wall. The drive circuit controls the rotation speed of the motor and has an output connector. The output connector of the drive circuit is connected directly to the input terminal to secure the drive circuit to the wall. The direct connection eliminates a need for a wire connection between the output connector and the input terminal. Moreover, methods of assembling motor-driven compressors are disclosed.

Abstract: The radial piston pump possesses a pump body with a plurality of cylinder borings for the reception of pump pistons which can be driven by a cam. The cylinder borings are closed by valve plugs in which pressure passages are provided. In the pressure passages, outlet valves are inserted which respectively possess a valve stem (7) an end of which, proximate to the pump piston (1), is provided with an impact plate.

Abstract: A linear compressor includes a cylinder supported in a hermetic vessel by a support mechanism. A piston is supported concentrically with the cylinder such that the piston can move in an axial direction of the cylinder. A compression chamber is formed between the cylinder and the piston. A linear motor portion has a moving member connected to the piston through a holding member. A stator is fixed to the cylinder to form a magnetic path between the stator and the moving member. The linear motor portion generates thrust for moving the piston in the axial direction. A sensor detects a displacement of the axial length center of the moving member and a DC bias current is fed to the linear motor to align the axial length of the moving member and the axial length of the stator with each other at the time of operation.

Abstract: A valve element disposed in the valve chamber of a control valve body of a control valve for variable capacity compressors performs opening and closing operations by a plunger. The upper end of the valve element of this control valve body is inserted in the pressure chamber, while the lower end of the valve element is inserted in the plunger chamber of the solenoid excitation part. And the plunger chamber and the pressure chamber communicate with each other through a cancel hole formed in this valve element.

Abstract: A rod body (30) is formed of magnetostrictive material and includes one end portion (30a) fixed, and a piston (35) is fixed to the other end portion (35b) of the rod body (30). The piston (35) is slidably disposed within a cylinder (36) in which there is formed a pump chamber (37). A suction port (39) for sucking lubricating oil into the pump chamber (37) is formed in the cylinder (36), while a suction valve (40) for preventing the lubricating oil from flowing out from the suction port (39) is disposed in the suction port (39). In the cylinder (36), there is disposed a nozzle (20) which communicates with the pump chamber (37) and has a sectional area smaller than the lubricating oil passage sectional area of the suction valve (40). There is disposed a coil (43) outside the rod body (30) and, to the coil (43), there is connected a control device (6) for controlling the supply of a current to be supplied to the coil (43).

Abstract: When an electric appliance unit functions as an electric motor, a rotary shaft is rotated by electric current supplied to the electric appliance unit. When the electric appliance unit functions as a generator, the generator generates electricity as the rotary shaft rotates. A first rotation permitting mechanism is located between the rotor and the rotary shaft to permit the rotor and the rotary shaft to rotate relative to each other. A one-way clutch is located between the rotor and the rotary shaft. The one-way clutch permits the rotary shaft to rotate in one direction relative to the rotor and prevents the rotary shaft from rotating in the other direction relative to the rotor. A second rotation permitting mechanism is located between the housing and the rotor. The second rotation permitting mechanism permits the rotor to rotate relative to the housing. Power transmitted from the external drive source to the rotor is transmitted to the rotary shaft via the one-way clutch.

Abstract: An ejector pump for a delivery unit provided in a fuel tank of a motor vehicle has a nozzle produced integrally with a mixing tube. The mixing tube is shaped in the form of a tubular cylinder, so that virtually the entire ejector pump may be produced from plastic in a mold allowing axial demolding. The nozzle is therefore aligned,exactly with respect to the mixing tube. The ejector pump consequently has a particularly high efficiency.

Abstract: In order to reduce the shock that occurs in downshifting and up-shifting a hydraulic radial piston engine, a valve (1), which controls the displacement of the radial piston engine, is reversed with throttling. In order to prevent the throttled reversal from being affected by the level of pressure in the hydraulic fluid intake (3) to the hydraulic radial piston engine, a sealing point is provided in the valve (1), which controls the hydraulic fluid intake (3) to the torque-generating pistons. To prevent critical safety situations from arising, a valve (24) is positioned in front of the valve (1) that controls the displacement of the hydraulic radial piston engine; this valve (24) always switches the valve (1) that controls the displacement of the hydraulic radial piston engine, without pressure, when the hydraulic fluid intake (3) from a hydraulic fluid source to the hydraulic radial piston engine falls below a certain pressure level.