Matches 1 - 50 out of 238 1 2 3 4 5 >
Match Document Document Title
7371059 Scroll compressor with discharge valve  
A scroll compressor utilizes scroll wrap profiles which are designed with a rapid compression scroll wrap profile. This profile utilizes a shorter wrap and lower vane aspect ratios during the...
7364418 Scroll fluid machine having an adjustment member with a deformable element  
A scroll fluid machine includes a stationary scroll having a spiral wrap formed on an end plate and a moving scroll having a spiral wrap formed on an end plate. A polymer actuator for adjusting the...
7364416 Scroll type compressor with an enhanced sealing arrangement  
A scroll type compressor with an enhanced sealing arrangement includes two sealing rings, mounted one between a first part of a gliding block and a first chamber of a fixed scroll and another one...
7338265 Scroll machine with single plate floating seal  
A scroll machine utilizes a floating seal to isolate pressurized fluid to provide axial biasing. The floating seal is designed as a single piece plate with inner and outer annular seals. The inner...
7331774 Back pressure control mechanism of orbiting scroll in scroll compressor  
There is provided, at a low cost, a small-size and lightweight scroll compressor capable of preventing a decrease in compression efficiency by utilizing a medium pressure between a suction pressure...
7322809 Rotary compressor with sealing portions and oil-supply groove  
In a rotary compressor to perform oil supplying to bearings through a main oil-supply passage formed in a drive shaft by making use of pressure differential between high-level pressure and...
7322807 Scroll machine with axially compliant mounting  
A scroll compressor includes a compression mechanism contained within a shell. A non-orbiting scroll is supported for axial displacement relative the shell, and includes an end plate having a wrap...
7314357 Seal member for scroll compressors  
A scroll compressor having a housing with a motor-compressor unit disposed therein. The motor-compressor unit includes a crankcase, stator, rotor, and drive shaft assembly. The motor-compressor...
7293969 Tip seal in a scroll fluid machine  
A scroll fluid machine comprises a stationary scroll having a stationary wrap and an orbiting scroll having an orbiting wrap. A tip seal is provided in a tip-seal groove at the ends of the...
7264453 Horizontal scroll compressor having a connecting passage on the opposite side of a suction port for connecting a motor accommodating chamber with a suction chamber  
A motor accommodating chamber accommodates an electric motor such that a rotation axis of the motor is substantially horizontal. The pressure in the motor accommodating chamber is equal to the...
7238011 Scroll compressor  
A scroll compressor has a fixed scroll including a fixed spiral wall and a movable scroll including a movable spiral wall. Inner end portions of the fixed and movable spiral walls each have an...
7234923 Scroll fluid machine having a dust seal fitted within annular groove and having ends overlapped in the wider portion of the annular groove  
In a scroll fluid machine, an orbiting scroll engages with a stationary scroll to form a sealed chamber in which fluid can be compressed toward a center with revolution of the orbiting scroll with...
7214043 Scroll type hydraulic machine  
A scroll type hydraulic machine is provided with a scroll unit received in a housing, and a thrust bearing arranged between a movable scroll of the scroll unit and a support surface of the housing...
7195469 Dust seal in a scroll fluid machine  
In a scroll fluid machine, a stationary scroll and an orbiting scroll are provided. On the stationary scroll opposing the orbiting scroll, an annular groove is formed. An O-ring, a flexible support...
7179068 Electric compressor  
A cooling space in an inverter case is disposed at a position opposed to a stationary scroll of a scroll compressor. A refrigerant having low temperature is allowed to flow in and out between the...
7134852 Seal member for vortex compressor  
A vortex compressor includes a stationary vortex body and a rotatable vortex body located in the casing so as to define a compression chamber and an expelling chamber. Each of the stationary vortex...
RE39346 Scroll compressor with lubrication of seals in back pressure chamber  
A scroll compressor lubrication system includes a number of embodiments where lubricating oil impinges off surfaces adjacent to the orbiting scroll. The impinged oil creates a lubrication mist,...
7112046 Scroll compressor for refrigerant  
The invention relates to a compressor for refrigerant, comprising: an outer housing; a scroll compressor which is disposed in the outer housing; an outlet, which is located in the base of the...
7101160 Electric compressor  
A compressor housing defines a motor accommodating chamber. The pressure in the motor accommodating chamber is equal to the pressure in a suction chamber. A first reservoir chamber is located in a...
7086844 Multi-stage scroll fluid machine having a set a seal elements between compression sections  
To provide a seal configuration which prevents leakage of high pressure compressed fluid from a succeeding stage compression section to a preceding stage compression section of a multistage...
7070401 Scroll machine with stepped sleeve guide  
An axial complaint mounting system for a scroll machine positions the centroid reaction of the mounting system toward the top of a mounting bore extending through the axial compliant scroll member....
7052255 Apparatus for changing capacity of scroll compressor with movable seal member  
An apparatus for changing capacity of scroll compressor comprises: a seal member movably installed on one of facing surfaces of a fixed scroll so as to seal a compression space made by the fixed...
7029251 Backpressure mechanism of scroll type compressor  
A backpressure mechanism for a scroll type compressor to effectively prevent leakage of coolant; a recessed seat being provided at the top of a coolant passage at the center of a fixed scroll; a...
7018185 Liquid recovery method and system for compression mechanism  
Lubricating liquid fed from a reservoir to a compression mechanism is collected by a circumferential wall that surrounds the drive shaft of the compression mechanism and rotates synchronously with...
7018183 Compressor having discharge valve  
A compressor having a discharge valve. The discharge valve is mounted to the fixed scroll of a scroll compressor using a C-shaped clamp. The clamp is secured using a threaded fastener which extends...
7014435 Scroll fluid machine  
A scroll fluid machine comprises a stationary scroll and an orbiting scroll fitted on an eccentric portion of a driving shaft. The stationary scroll has a stationary end plate from which inner and...
7001161 Scroll fluid machine  
To offer the seal configuration which prevents the leakage of high pressure compressed fluid from the succeeding stage compression section to the preceding stage compression section of a multistage...
6984115 Axial sealing structure of scroll compressor  
An axial sealing mechanism of a scroll compressor includes a housing, a scroll device, and a floating seal member with a recess portion and a central channel. The housing includes a first shell and...
6932586 Scroll-type compressor  
An adjusting mechanism ( 56 ) is provided to produce an anti-overturning moment to reduce an overturning moment acting on an orbiting scroll ( 26 ) during its revolution in a revolving-angle area...
6896498 Scroll compressor with hot oil temperature responsive relief of back pressure chamber  
A scroll compressor includes a protection device that has a valve movable between a position blocking flow from the back pressure chamber into the suction chamber, and a position allowing such...
6896497 Axial compliant means for a scroll machine  
An axial compliant means for a scroll machine, wherein a second scroll revolves around a first scroll to form multiple compression chambers including a low pressure chamber, a medium pressure...
6893234 Non-circular centered seal for back pressure chamber  
A scroll compressor is provided with a non-circular back pressure chamber which is still concentric about a center axis of the compressor, such as the center axis of the drive shaft. Stated another...
6890163 Scroll compressor  
A scroll compressor providing a ring-shaped groove in an end plate of a movable scroll to form a backpressure chamber with a surface of a middle housing supporting the end plate and introducing a...
6887052 Scroll wrap tip with abradable selectively applied coating and load-bearing surface  
A scroll compressor is provided with a generally spiral wrap having an abradable or conformable coating on radially inner portions of its tip. The coating is not applied to radially outer portions....
6887051 Scroll air supply apparatus having a motor shaft and a mechanism shaft  
It is an object of the present invention to provide an air supply apparatus capable of increasing a height of a scroll lap. The air supply apparatus comprising a stator fixed to a motor frame, a...
6860728 Scroll compressor sealing  
A scroll compressor comprises a fixed scroll having a spiral-shaped wall body, and a swiveling scroll which has a spiral-shaped wall body and revolves while linking together the two wall bodies;...
6783338 Scroll type compressor having tip seals and a scroll coating layer  
A scroll type compressor has a housing, a fixed metal scroll member and a movable metal scroll member. The fixed and the movable scroll members each have a base plate and scroll wall extending...
6769887 Scroll compressor  
On the assumption that pressure Pm 1 (MPa) of a boss portion outside space determined by a restrictor and a flow regulating valve provided midway in an oil feed passageway is expressed by Pm 1...
6755632 Scroll-type compressor having an oil communication path in the fixed scroll  
A scroll-type compressor includes a housing including a suction chamber and a discharge chamber. The compressor also includes a fixed scroll including a first spiral element. Specifically, the...
6736621 Scroll compressor with adjustable capacity  
A scroll compressor includes an adjustable actuator mount that changes the relative position of a non-orbiting scroll and an orbiting scroll to change the compressor capacity. In one embodiment,...
6709248 Scroll-type fluid machine having an outer chamber and an inner chamber  
A scroll-type fluid machine includes a fixed scroll having spiral-form fixed wraps standing on one side face and an orbiting scroll having spiral-form orbiting wraps standing on one side face...
6682329 Cooling of hybrid scroll compressor wrap by suction pressure gas passages  
A cooling passage is formed through the wrap of a non-orbiting scroll. The cooling passage communicates with suction pressure refrigerant and passes the suction pressure refrigerant through both...
6679690 Scroll compressor including guide frame and compliant frame  
A scroll compressor including a guide frame ( 22 ) for fixing a fixed scroll member ( 12 ) and a compliant frame ( 24 ) for supporting an oscillating scroll member ( 14 ) in the axial direction of...
6679683 Dual volume-ratio scroll machine  
The present invention provides the art with a scroll machine which has a plurality of built-in volume ratios along with their respective design pressure ratios. The incorporation of more than one...
6663365 Scroll type compressor  
A scroll type compressor has a fixed scroll, a movable scroll and a plurality of sealing members. The fixed scroll includes a fixed base plate and a fixed volute portion, which is formed on the...
6659745 Scroll compressor having different tip clearances for spiral bodies having different heights  
An object of the present invention is to provide a scroll compressor which can improve the decrease in the compression ratio due to the leakage of compressed gas via a tip clearance between...
6599110 Scroll-type compressor with lubricant provision  
A scroll-type compressor having a stationary scroll and a movable scroll is provided. A compression chamber is defined between a stationary scroll and a movable scroll. A refrigerant introducing...
6592345 Scroll compressor  
There is provided a scroll compressor comprising: a fixed-side member comprising a casing and a fixed scroll member provided in the casing; a driving shaft rotatably provided in the casing; an...
6568928 Scroll-type compressor  
A scroll-type compressor has a fixed scroll member, a movable scroll member, a front housing, a rear housing and a gasket seal. The fixed scroll member and the movable scroll member cooperate to...
6565340 Compressor having a seal member for supporting a shaft during assembly  
A compressor assembled under desirable working conditions at a low cost is disclosed. In the compressor, the first rolling bearing for permitting axial movement of the shaft is inserted into the...
Matches 1 - 50 out of 238 1 2 3 4 5 >