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JP3742158B2 |
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JP2006022718A |
To provide a compressor with simple structure with improved sealability of packing even in long-term use under a condition of a high temperature and high pressure, in a trend toward its miniaturization and weight reduction.The packing 7 ...
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JP2006022689A |
To prevent contact of a grease-sealed type ball bearing with a seal cover to secure stable performance.In this air pump, a resin packing 117 of which portion positioned in the first grease-sealed type ball bearing 115 is hollowed is inse...
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JP2006502347A |
A casing has a circular cylindrical internal surface delimiting an operating chamber. An orbiting piston is mounted so as to orbit about a chamber axis which is the axis of the internal surface. The orbiting piston has a circular cylindr...
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JP2006009576A |
To provide a compressor capable of preventing a lowering of compressing performance caused by the volumetric efficiency degradation of a compression mechanism due to an increase in the expansion amount of an intake refrigerant caused by ...
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JP3731433B2 |
To prevent efficiency reduction and a mechanical loss by controlling pressing force of a movable scroll to a fixed scroll in a scroll type compressor having the fixed scroll fixed in a casing and the movable scroll for meshing with the f...
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JP3731068B2 |
To provide a rotary compressor wherein an oil is supplied through a main oil passage 51 formed in a driving shaft 17 to bearings 32, 34, 45 by utilizing a level differential pressure in a casing, and the reliability of the bearings 32, 3...
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JP3731069B2 |
To adjust the supplied amount of high-pressure oil without clogging with dirt in a scroll compressor 1 formed to press a movable scroll 26 against a fixed scroll 24 and having a structure to reduce a thrust load by supplying the high-pre...
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JP2006002717A |
To provide a compressor including a simple structure sealing mechanism sufficiently suppressing sliding resistance between a seal member and a sliding surface and securing sealing performance.This sealing mechanism 51 seals a gap 67 betw...
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JP2005351111A |
To provide a scroll compressor which prevents breakage of chip seal in a simple configuration, enhances sealing performance between a fixed scroll and a movable scroll, and has excellent compression efficiency.A scroll compressor has a m...
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JP3728514B2 |
PURPOSE: To provide a gas compressor of high efficiency with no risk of leakage even in case the compressor is configured in the trochoid type. CONSTITUTION: A gas compressor concerned comprises a pair of side covers 41, 42 at least eith...
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JP2005538293A |
An early warning system for equipment or processes which can be permanently or temporarily damaged by contaminants coming from air moving equipment, such as a compressor, positioned upstream of air flowing through the equipment. The pres...
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JP2005330824A |
To provide an air pump capable of preventing a bearing from coming off a housing or loosening up when the bearing and a housing are constructed with members of different thermal expansion in a bearing part of an air pump.In the air pump,...
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JP2005325827A |
To provide an inexpensive fluid machine having a long life time and causing no abnormal sound.In the fluid machine, a blade is formed of fluorocarbon resin and a solid lubrication coat is formed on a low-pressure-side side wall and a hig...
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JP2005320885A |
To increase corrosion resistance and always retain stable sealability by providing a back-up tube of a dust seal in a scroll fluid machine with a new structure back-up member replacing a conventional back-up tube in the back of or inside...
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JP3713782B2 |
To sufficiently secure sealing performance of an operating chamber by a chip seal in a scroll compressor. Grooves 2d, 4d into which chip seals 11, 12 are to be inserted are formed into a trapezoidal shape so that the groove width L may b...
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JP2005307770A |
To provide a scroll fluid machine solving various problems, by simply superposing the ends of a dust seal and only fitting to a dust seal groove without applying special machining to the dust seal in the scroll fluid machine.The annular ...
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JP2005307764A |
To provide a rotary compressor capable of reducing loss of gas leakage (in particular, gas leakage when CO2 is refrigerant gas) in a cylinder as much as possible and increasing compression performance than a conventional rotary compresso...
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JP2005299653A |
To provide a rolling piston for minimizing the leakage of gas during compressing gas, and to provide a rotary compressor gas leakage preventing device equipped therewith.The rotary compressor gas leakage preventing device comprises a cyl...
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JP2005273501A |
To provide a horizontal scroll compression device high in reliability, for preventing lubricating oil from flowing into an electric motor part and preventing degradation or damage of an electric motor winding.The horizontal scroll compre...
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JP2005264748A |
To increase reliability by solving a problem in the shortage of a lubricating oil by preventing the lubricating oil from excessively flowing into an expansion chamber in an expansion mechanism.An annular seal groove 91 is formed in both ...
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JP3698175B2 |
To simplify a structure and enhance durability and stability of a seal, by improving a shaft steel structure of a delivery hole inserted through a rotary center shaft of a driven scroll in a total system rotary type scroll fluid machine....
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JP2005240743A |
To provide a two-stage rotary compressor capable of abolishing a recessed groove machining for installing an O-ring on the outer periphery of a bearing part formed in a thin wall thickness and long size and a cutting of an upper support ...
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JP2005240787A |
To provide a package type compressor capable of reducing the environmental load and being installed easily.The package type compressor 1 has a box 2 fitted with a soundproof cover, and the box 2 is equipped internally with a motor 3, an ...
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JP2005233042A |
To provide a scroll compressor with a rotation prevention mechanism absorbing processing errors and assembling errors of a drive shaft, a crank pin and the like and surely preventing leakage of a lubricant from insides of support holes.A...
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JP2005226471A |
To provide a low cost sealing structure using a rubber material as a sealing material sealing carbon dioxide gas refrigerant.A sealing structure for a connection part having a fitting cylinder part 26 of a rear housing 6 fitted in a rear...
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JP3688267B2 |
Disclosed herein is a system and method for controlling the degree of superheat of an air conditioner. The air conditioner includes a compressor controlled in a pulse width modulation manner according to duty control signals, a condenser...
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JP2005207364A |
To provide a seal ring at a low cost and with a high reliability.A seal ring structure has a nearly annular-shaped seal ring for sealing between one of the members that constitutes a gastight chamber and the other member, and a nearly an...
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JP2005201114A |
To provide a compressor which can suppress a displacement of the compressor against high pressure of refrigerant gas compressed, and enlarge a volume of a delivery chamber more without causing an enlargement or the like of a housing simu...
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JP2005188326A |
To provide a fluid compressor for preventing generation of water in a motor chamber to deteriorate a fluid compression function, by suppressing entering of fluid containing hydrogen from a pump chamber side into the motor chamber.A gear ...
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JP3670307B2 |
PURPOSE: To provide a helical blade type fluid compressor which can prevent the leakage of compressed fluid at the position where a blade stopper is mounted with simple constitution. CONSTITUTION: This fluid compressor is equipped with a...
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JP2005180330A |
To provide a rotary compressor capable of improving compression efficiency by reducing leakage of compressed medium from an edge portion of a roller fitted at an eccentric shaft portion.In this compression mechanism portion 10 having a f...
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JP2005171951A |
To provide a construction capable of cooling an inverter and miniaturizing a compressor without increasing the number of part items.For cooling an inverter device, the inverter for the compressor is integrated with the compressor without...
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JP2005171959A |
To provide a shaft seal device with a relatively simple structure capable of securely preventing leakage of lubricating oil into inside of a motor chamber, in a motor integrated compressor.On a drive shaft 14 of the motor integrated fuel...
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JP3664498B2 |
PURPOSE: To provide a compact vacuum pump while securing required performance of an engine surface-mounting type, and enable usage of one kind of pump in the case that specifications of the vacuum pump such as installation position, or i...
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JP2005163713A |
To provide a fluid compressor capable of preventing generation of water in a motor chamber even if fluid containing hydrogen flows into the motor chamber from a pump chamber side and preventing deterioration in performance as the fluid c...
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JP2005163745A |
To provide a highly efficient compressor by reducing leakage even in small pressure difference, while preventing partial contact even in large pressure difference to reduce noise and oscillation caused by the contact.A swirl scroll 13 is...
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JP2005155568A |
To provide a scroll fluid machine capable of adjusting the capacity in a plurality of stages, and preventing degradation in the efficiency.The scroll fluid machine comprises a fixed scroll (21) and a movable scroll (22) having a spiral w...
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JP2005517866A |
A vacuum pump ( 10 ) comprises at least one rotor shaft ( 12 ) having a rotor section ( 14 ) with a rotor ( 16 ), a bearing section ( 18 ) with a bearing ( 20 ), and a shaft sealing system ( 22 ) that is axially situated between the roto...
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JP3661454B2 |
To provide a compressor having high reliability and high efficiency by forming a frame space between a compliant frame and a guide frame, and setting the inside of the frame space to the pressure higher than a suction pressure and not mo...
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JP3658831B2 |
To prevent invasion of abrasion powder from a circular seal to the refrigerating cycle side by providing a communication port to be provided between a fixed scroll and a support member for that on a back surface of an end plate of the fi...
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JP3649465B2 |
PURPOSE: To provide a scroll compressor wherein a seal part can be easily assemble to eliminate a leak of refrigerant gas in the seal part. CONSTITUTION: A fixed scroll 2 and a swivel scroll, engaged with a fixed volute tooth 5 of the fi...
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JP2005113791A |
To provide a hermetic compressor improving performance of a device by reducing refrigerator oil quantity in compressed refrigerant discharged from a delivery pipe positioned at an upper part of a hermetic vessel.Clearance between a muffl...
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JP2005098210A |
To provide a multistage dry pump capable of suppressing occurrence of a rotor locking, and reducing manufacturing cost by making the rotor with an intricate profile requiring high precision in machining to be easily machined.The multista...
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JP2005090371A |
To provide a motor built-in fuel gas compressor capable of preventing leakage of lubricating oil into a motor chamber and preventing intrusion of fuel gas into the motor chamber and having high safety.In this motor built-in fuel gas comp...
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JP2005076511A |
To provide an oil free screw compressor capable of improving working efficiency in maintenance of a bearing, reducing length of an output shaft of a motor, and improving assembly accuracy thereof.In the oil free screw compressor having a...
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JP3630769B2 |
PURPOSE: To aim at inexpensive improvement in high performance reliability by which a fixed scroll can be guided securely without any dimensional increase in a cylindrical sliding part and sufficient sealing property may be secured in an...
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JP2005506482A |
Liquid seal pump of the helical screw type including a pump housing ( 3 ) with an inlet ( 2 ), an outlet ( 6 ), and within the housing provided a helical screw rotor ( 7 ) driven by means of a motor ( 8 ). The outlet ( 6 ) of the pump ( ...
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JP3625816B2 |
A system for controlling the starting of an air conditioner includes a compressor controlled in a pulse width modulation according to a duty cycle control signal, an electronic expansion valve for expanding refrigerant compressed in the ...
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JP3622755B2 |
A suction passage (40) of a cylinder (23) is connected to a suction pipe (42). Discharge passages (56, 57) of the cylinder (23) are open to the inner space of a sealed housing (10). Discharge gas is led to the outside through a discharge...
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