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7632081 |
Oil retrieving structure for a compressor
A scroll compressor is provided. The scroll compressor includes a casing, an oil pump, an oil retrieving port, and an oil retrieving unit. The casing has a fluid storage area in a lower portion...
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7585160 |
Hermetic compressor
A hermetic compressor includes a casing, a compression mechanism in the casing, a container member and a pressure reduction device. The casing includes a high pressure chamber, an intake pipe and a...
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7494329 |
Oil pump for a compressor
An oil pump for a compressor is provided. The oil pump includes a pump body coupled to a driving shaft, and a pumping member coupled to the pump body so as to define a pumping part and a pump cover...
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7473083 |
Oil separating device for compressor
A scroll compressor including an oil separator is provided. The oil separator may be provided with a rotor or a shaft of a driving motor of the compressor so that refrigerant gas and oil discharged...
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7469539 |
Turbo system and method of installing
A turbocharger system for a combustion engine and method of installing a turbocharger system includes a turbocharger having an oil inlet and an oil outlet configured for being coupled to an oiling...
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7462021 |
Rotary compressor, and car air conditioner and heat pump type water heater using the compressor
An object is to provide a rotary compressor capable of reducing an oil discharge amount to the outside, and there is provided a vertical rotary compressor constituted by housing an electromotive...
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7458369 |
Supercharger lubrication structure
A supercharger can have a lubrication system that includes a speed increasing mechanism, accommodated in a second housing, for increasing the rotation speed of a drive shaft and transmitting the...
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7458790 |
Vacuum pump with improved oil lubrication
A vacuum pump includes a housing assembly having an oil-reservoir chamber in which a lubricating oil is stored; a pair of screw rotors disposed in the housing assembly and engaged with each other;...
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7442018 |
Compressor having an oil residue pool
A compressor comprises, in a container body, an electric element, and a compressive element driven by the electric element. An oil storage is provided in the bottom, and an oil pump is provided to...
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7377755 |
Multi-stage rotary compressor
A multi-stage rotary compressor to reduce a driving load and prevent a malfunction due to an abrupt pressure rising. In the compressor of the type including first and second compressing units...
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7371058 |
Oil feeding propeller of scroll compressor
An oil feeding propeller of a scroll compressor for preventing deterioration of oil feeding generated when a rotation shaft is rotated in reverse is disclosed. The propeller is tightly fitted into...
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7360361 |
Turbocharger
An electrically controlled turbocharger having a substantially vertically oriented shaft interconnecting a turbine and a compressor. The vertical orientation serves to eliminate the effects of...
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7354257 |
Refrigerating cycle or compressor having foreign matter collector
The present invention is intended to remove foreign matter such as worn powder in a refrigerating cycle and enhance the reliability in a refrigerating cycle using, in particular, HFC refrigerant....
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7351045 |
Rotational inhibitor for compressor lubricant
A compressor comprises an oil storage provided in the bottom of a container body. An oil cup is fixed in communication with the oil storage. An oil pump is attached to the lower end of a shaft and...
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7351043 |
Horizontal compressor end cap
A substantially horizontal compressor including a housing having a main body portion with an open end. An end cap is secured to the main body portion with the end cap being provided with a...
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7347301 |
Lubricant supply system and operating method of multisystem lubrication screw compressor
An oil refrigeration screw compressor being applied to a refrigeration system etc., in which the problem of strength reduction of a bearing material under high temperatures and that of lifetime...
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7223082 |
Rotary compressor
A so-called internal intermediate pressure multistage compression type rotary compressor makes it possible to prevent the pressure inside a roller from inconveniently increasing and also to permit...
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7213683 |
Piston lubricating system for a reciprocating compressor with a linear motor
The present invention provides a piston lubrication system for a reciprocating compressor with a linear motor. The piston lubrication system includes an oil sump defined within a hermetic shell,...
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7210561 |
Lubricating device of reciprocating compressor
A lubricating device of a reciprocating compressor includes a pumping unit for pumping lubrication oil contained in a lower portion of a case and a front frame having a supply hole which supplies...
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7186100 |
Variable capacity rotary compressor
A variable capacity rotary compressor allowing oil to be smoothly supplied to compressing elements, regardless of a rotating direction of a rotating shaft. The variable capacity rotary compressor...
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7134282 |
Turbo system and method of installing
A turbocharger system for a combustion engine and method of installing a turbocharger system includes a turbocharger having an oil inlet and an oil outlet configured for being coupled to an oiling...
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7118324 |
CO2 compressor
A CO 2 compressor for an air conditioner of a motor vehicle is suggested having a sealing device, assigned to the driveshaft of the CO 2 compressor, which is implemented as a sliding ring. The CO...
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7100743 |
Crank shaft in dual capacity compressor
A crankshaft in a dual capacity compressor is disclosed, which causes oil contained in a lower portion of the compressor to flow up to an upper portion thereof with respect to all the rotational...
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7077633 |
Electric compressor
A horizontal-type electric motor driven compressor comprises a casing, a suction chamber formed in the casing, an electric motor arranged on a suction chamber side in the casing, a compressor...
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7070396 |
Oil pump apparatus having oil drain
In an oil pump apparatus, a drain outlet is positioned outwardly from an inner peripheral surface of a suction passage or from an extended line thereof at a sectional view which takes along an...
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7059839 |
Horizontal compressor end cap with a terminal, a visually transparent member, and a heater well mounted on the end cap projection
A substantially horizontal compressor including a housing having a main body portion with an open end. An end cap is secured to the main body portion with the end cap being provided with a...
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7059837 |
Variable speed oil-injected screw compressors
The invention relates to the use of variable speed control of the cooling fan on a variable speed oil-injected screw compressor. A screw compressor ( 11 ) comprises at least one stage of...
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7052249 |
Air/oil separating tank—thermostatic valve—minimum pressure valve—oil cooling radiator—compressed air cooling radiator group
A group is provided for a compressed air distribution unit of the type including an intake regulator, an oil bath-screw type compressor, an air/oil separating tank, a minimum pressure valve, an air...
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7044717 |
Lubrication of a hermetic carbon dioxide compressor
A hermetic compressor which uses carbon dioxide as the working fluid. The compressor includes a motor and a compression mechanism operatively coupled by a drive shaft supported by a bearing. The...
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7040880 |
Horizontal rotary compressor
A horizontal rotary compressor is configured such that an electrically powered compressor body is accommodated in a horizontally long hermetic receptacle in which a lubricating oil is...
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7021425 |
Closed type electric compressor
A sealed electric compressor for use in, for example, an electric refrigerator, generates a little noise and can feed any moving part of its compressing element with refrigerator lubricant. An oil...
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7011183 |
Suction oil injection for rotary compressor
An apparatus and system for immediately lubricating a compressor within a compressor system using a suction oil line apparatus. The compressor system comprises a compressor, a power source for...
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6983622 |
Gas distribution device
Device for distributing suction gas for a parallel compressor installation, said installation having at least two refrigeration compressors, at least one oil level equalization tube providing a...
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6976559 |
Piston compressor, particularly hermetically enclosed refrigerant compressor
The invention relates to a piston compressor, particularly a hermetically enclosed refrigerant compressor, with a crank drive, having a crank shaft with an eccentric crank pin and an oil channel...
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6945759 |
Engine driven dry air pump with a flange mounted oil drain
A mounting end of an engine-driven accessory includes a longitudinally-extending neck having imperforate lateral surfaces defining a central bore. A flange having a mounting face is disposed at the...
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6893237 |
Horizontal compressor
There is provided a horizontal rotary compressor capable of improving performance thereof while an oil supply means smoothly supplies oil. A part of a hermetic shell case at the upper side is...
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6880536 |
Lubrication optimization of single spring isolator
A rotary blower ( 26 ) includes a torsion damping mechanism for transmitting torque from an input drive ( 48 ) to a first timing gear ( 62 ), the mechanism including an input hub ( 52 ), an output...
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6866123 |
Oil supply apparatus for hermetic compressor
An oil supply apparatus for a hermetic compressor includes: a crankshaft coupled with a motor so as to revolve together and having an oil flow path inside, a sleeve connected to a lower part of the...
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6866490 |
Water-injected screw compressor
The invention relates to a water-injected screw compressor which comprises a compressor element ( 1 ) with an interior space ( 3 ), a suction conduit ( 7 ) which connects to an inlet part ( 6 ),...
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6860365 |
Lubrication system for rotating machines and pumps
A system for lubricating the upper bearing supporting a rotatable vertical shaft in a machine or pump comprising an axial bore extending along substantially the length of the shaft and...
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6854955 |
Internal lubrication screw pump for hollow shaft
A rotary machine is provided, such as an electromechanical device, that includes a housing having a lubricating oil disposed within the housing. A shaft is rotatable about an axis relative to the...
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6752605 |
Horizontal two stage rotary compressor with a bearing-driven lubrication structure
A hermetic rotary compressor including a housing having an oil sump formed therein; a stationary shaft fixedly mounted in the housing, a longitudinal bore formed in the shaft; and a motor mounted...
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6746216 |
Scroll compressor with vented oil pump
An oil pump for a scroll compressor has a bearing hub with a vent disposed between at least one fluid inlet in the bearing hub and a thrust washer. The vent provides an additional fluid flow path...
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6733251 |
Compressor with built-in motor and mobile structure using the same
A compressor with a built-in electric motor has a compression mechanism and the built-in electric motor which are housed in a container. A suction port, a discharge port, inner and outer electric...
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6695602 |
Bacterial growth inhibition in a circulation system comprising a compressor
The present invention relates to a compressor ( 1 ) that has an associated coolant circulation system ( 1, 4, 6, 8, 11, 13 ), and also to a method of maintaining a low bacteria content in the...
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6688432 |
Piston compressor
The invention concerns a piston compressor, particularly a hermetically enclosed piston compressor, with a housing, in which a motor is arranged, the motor having a crankshaft with a vertically...
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6688431 |
Lubricant supplying apparatus of reciprocating compressor
A lubricant supply apparatus for a reciprocating compressor is provided having a lubricant cylinder fixed to a compressing unit having a lubricant suction passage and oscillating with the...
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6684979 |
Hermetic motor-driven compressor
A hermetic motor-driven compressor is capable of decreasing both the resonance sound due to an oil feed pipe and the resonance sound due to a crankshaft generated when the oil feed pipe is rotated...
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6685358 |
Hydraulic motor for use in high-pressure environment
A hydraulically operated motor may be located in an atmosphere having substantially high and varying pressure. The motor may be provided with conduits that are in fluid communication with cavities...
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6672101 |
Electrically driven compressors and methods for circulating lubrication oil through the same
An oil storage area ( 45 a ) is defined on the bottom of a motor chamber ( 45 ) of a scroll compressor ( 1 ). An oil transfer route ( 4 a ) is defined in the portion of a center housing ( 4 ) that...
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