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US20150167672 SCROLL COMPRESSOR  
The present invention relates to a scroll compressor comprising a scroll pumping arrangement comprising two scrolls each having a scroll wall with inner and outer scroll wall surfaces which...
US20140255233 COMPACTED/VERMICULAR GRAPHITE CAST IRON FOR ORBITAL OR FIXED SCROLL AND MANUFACTURING METHOD OF ORBITAL OR FIXED SCROLL USING THE SAME  
Compacted/vermicular (CV) graphite cast iron for an orbital or fixed scroll and a method for manufacturing an orbiting or fixed scroll using the same are provided. The CV graphite cast iron may...
US20130071278 SCROLL COMPRESSOR  
The present disclosure relates to a scroll compressor. According to the present disclosure, in a shaft penetration scroll compressor in which an eccentric portion of the rotation shaft is...
US20130219950 Scroll Compressor and Air Conditioner  
A compressor is provided with a fixed scroll having a spiral lap erected on a bed plate; an orbiting scroll having a spiral lap erected on a panel and forming a compression room meshed with the...
US20090022613 Asynchronous non-constant-pitch spiral scroll-type fluid displacement machine  
A scroll-type spiral fluid displacement machine having at least one pair of interfitting scroll elements. The scroll vanes of the scroll elements are constructed upon a base line spiral defined by...
US20110229360 POWDER METAL SCROLL HUB JOINT  
A scroll component including a spiral scroll wrap, a baseplate having a first major surface coupled to the scroll wrap and a second opposing major surface comprising a protruding pilot extending a...
US20060099096 Scroll pump system  
The present invention provides a scroll pump device comprising external and internal scroll members, and wherein the scroll pump device is separated into inner and outer zones. The flow streams in...
US20080181801 Powder metal scroll hub joint  
A scroll component including a spiral scroll wrap, a baseplate having a first major surface coupled to the scroll wrap and a second opposing major surface comprising a protruding pilot extending a...
US20080159893 Thermally compensated scroll machine  
The scroll machine has a first and a second scroll member each having intermeshed scroll wraps. A compensation member is attached to one of the scrolls. As the scroll machine warms to operating...
US20140010694 SCREW COMPRESSOR  
A scroll compressor includes a compression mechanism having a fixed scroll and an orbiting scroll. The fixed scroll includes a first end plate, an outer peripheral wall extending from an edge of...
US20070189912 Advanced scroll compressor, vacuum pump, and expander  
Modifications of a scroll compressor provide a bellows suitable for liquid cooling and a plunger actuated seal for the scroll tips of various equipment. A bellows spans the fixed and the orbiting...
US20140294640 Scroll Pump Having Separable Orbiting Plate Scroll and Method of Replacing Tip Seal  
A scroll pump facilitates the installation of a new tip seal between an axial end of the scroll blade of one of inner stationary and orbiting plate scrolls of the pump and the plate of the other...
US20090068043 Compressor Having Shell With Alignment Features  
A compressor includes a shell formed from a piece of material having first, second, third, and fourth ends. The third and fourth ends extend between the first and second ends and are coupled to...
US20110027116 POSITIVE DISPLACEMENT MACHINE ACCORDING TO THE SPIRAL PRINCIPLE  
In a positive displacement machine for compressible media, having a spiral-shaped feed chamber (11) arranged in a housing (7b) between cylinder walls (14, 15), a spiral-shaped displacement body is...
US20100021329 SCROLL COMPRESSOR  
A scroll compressor that suffers no decrease in compression performance due to leakage resulting from a twisting assembly error is provided. This scroll compressor includes a fixed scroll and an...
US20130004354 SCROLL COMPRESSOR  
A scroll compressor including a fixed scroll having a fixed wrap; and an orbiting scroll having an orbiting wrap engaged with the fixed wrap to form compression chambers, and performing an orbital...
US20080317619 TANDEM COMPRESSOR SYSTEM AND METHOD  
A compressor system including a first compressor and a second compressor. The first and second compressors each include a shell, a compression mechanism disposed within the shell, and a drive...
US20090257900 Shaft coupling for scroll compressor  
A coupling mechanism for a scroll compressor comprises an orbiting scroll disk, a retention bolt, a bearing shaft and a retention nut. The orbiting scroll disk includes a first face configured to...
US20130089449 SCROLL COMPRESSOR WITH BYPASS HOLE  
A scroll compressor is provided. The scroll compressor may include a fixed scroll having a fixed wrap with a thickness that varies along a compression path and a disk having a discharge and at...
US20140170007 Scroll Compressor Assembly Having Oil Distribution and Support Feature  
A horizontal scroll compressor assembly for compressing a working fluid and lubricated with an oil, including a housing having an axis, an interior surface, and a suction sump for collected oil...
US20060216179 Back-gap controlling apparatus for compressor  
A back-gap controlling apparatus for compressor is proposed to reduce an initial torque for the motor of a compressor. A high pressure between the two scroll units of the compressor can...
US20150037189 SCROLL COMPRESSOR  
A scroll compressor includes a fixed scroll and an orbiting scroll. Each of the fixed and orbiting scrolls includes an end plate and a spiral wrap standing on a front surface of the end plate. The...
US20090110580 Scroll type fluid machine  
The present invention provides a scroll type fluid machine realizing reduced attachment space in a casing and improvement in workability at the time of assembly and the like by using a plurality...
US20140308146 SCROLL COMPRESSOR  
In a stepped scroll compressor, inclined surfaces (28, 29) of which heights are gradually reduced toward stepped portions are formed in a range W of at least 2ρ to 3ρ (here, ρ denotes a turning...
US20120189480 Scroll Fluid Machine  
A scroll fluid machine includes: a casing; a fixed scroll having an end plate, a spiral wrap part provided on the end plate, and a flange provided outside the wrap part and fitted to the casing;...
US20110103991 Scroll fluid machine  
A fixed scroll board 2 is attached to a casing 1. Three fixed wraps 2a are provided on the fixed scroll board 2. An eccentric bush 8 is rotatably supported by the casing 1. A pivot shaft 12 is...
US20110058971 INJECTION TUBES FOR INJECTION OF FLUID INTO A SCROLL COMPRESSOR  
A scroll compressor is provided with injection tubes which extend through an upper shell and into a fixed scroll member. The injection tubes are fixed relative to the fixed scroll member, and may...
US20120230854 Scroll Compressor  
A scroll compressor with high efficiency is provided according to the present invention. The scroll compressor compresses a refrigerant by meshing of an orbiting scroll and a fixed scroll, wherein...
US20070036668 Scroll compressor discharge port improvements  
A scroll compressor is provided with a recess to increase the flow area through which compression chambers communicate with a discharge port. The scroll compressor is of the sort having a wrap...
US20120148434 Scroll Fluid Machine  
Disclosed is a scroll fluid machine wherein a scroll unit achieves higher performance while maintaining reliability. The disclosed scroll fluid machine is provided with: a first actuation chamber...
US20050002816 Power generating device  
In a scroll compressor, a revolution scroll lap 1a stands on one of surfaces of a revolution lap support disk 1b of a revolution scroll member 1, and a revolution disk 2 is connected to the other...
US20070104603 Scroll and manufacture method therefor  
Disclosed herein is a scroll for scroll compressor, comprising an orbiting and a stationary spiral each composed of a spiral body and a base plate, in which one of the spirals is made of metal and...
US20080273998 Fluid machine  
In a spiral wrap of at least a movable scroll, grooves are formed at given intervals to extend from a halfway point of a top face of the spiral wrap through the lateral face of the spiral wrap,...
US20090185932 Scroll Compressor Build Assembly  
A scroll compressor build assembly is provided. An outer housing includes multiple shell sections that interfit to provide internal steps that provide seating surfaces. One or both bearing members...
US20140023540 ANTI-WEAR COATINGS FOR SCROLL COMPRESSOR WEAR SURFACES  
Anti-wear surface coatings and methods for making them are provided. Such anti-wear surface coatings are particularly suitable for use in a compressor, such as a scroll compressor. A precursor...
US20080304994 Scroll Fluid Machine  
A scroll fluid machine is configured by engaging a fixed scroll and an orbiting scroll having spiral bodies formed on base plates. A seal member is provided between a rear surface of the orbiting...
US20120315173 SCROLL COMPRESSOR  
A scroll compressor includes a fixed scroll, an orbiting scroll and an injection passage. Each scroll has an end plate and a spiral lap. The scrolls mesh with each other to form a compression...
US20090317275 SCROLL COMPRESSOR  
Provided is a scroll compressor that is capable of three-dimensional compression, ensuring a required wrap strength while increasing a shoulder section height of a spiral wrap, and facilitating...
US20060269433 Discharge port for a scroll compressor  
A scroll compressor including an improved fixed scroll member, and in particular, an improved discharge port in the fixed scroll member. In one embodiment, a discharge port extends through the...
US20150260189 SCROLL COMPRESSOR  
A scroll compressor includes fixed and movable scrolls, and a drive part. The fixed scroll has a fixed-side end plate, a fixed-side lap, and a thrust sliding portion surrounding the first lap. The...
US20140234148 Scroll Compressor  
A scroll compressor configures suction and compression rooms between fixed and orbiting scrolls, includes a back pressure room at the orbiting scroll base plate back face, and is configured in an...
US20100024467 SCROLL COMPRESSOR AND AIR CONDITIONER  
A scroll compressor and an air conditioner in which improvement of performance is achieved by a gas injection cycle and increase in manufacturing cost is prevented are provided. A scroll...
US20100092318 Scroll compressor  
Intended is to provide a scroll compressor capable of performing three-dimensional compressions, which can optimize a tip clearance in operation while considering a thermal expansion and a...
US20150233375 SCROLL COMPRESSOR  
A scroll compressor is provided. The scroll compressor may include a casing including a rotational shaft, a discharge cover fixed at an inside of the casing to partition the inside of the casing...
US20120045357 HIGH EFFIEIENCY SCROLL COMPRESSOR WITH SPIRAL COMPRESSOR BLADES OF UNEQUAL THICKNESS  
The present invention provides a high efficiency scroll compressor with spiral compressor blades of unequal thickness, using unfolding logarithmic spirals configured to satisfy a gear engaging...
US20140271304 SCROLL COMPRESSOR WITH BACK PRESSURE CHAMBER  
An upper back pressure type scroll compressor is provided having a back pressure chamber. The scroll compressor may include a casing, a discharge cover, a main frame, a first scroll supported by...
US20130294956 SCROLL FLUID MACHINE  
A scroll fluid machine includes a revolving scroll in which a revolving wrap stands upright on an end plate supported revolvably on a drive shaft, and a fixed scroll which is provided opposite the...
US20090035167 STEPPED SCROLL COMPRESSOR WITH STAGED CAPACITY MODULATION  
A scroll compressor has a stepped wrap such that there is a greater height outer portion and a lesser height more central portion. Bypass ports are associated with the transition zone between the...
US20080247895 INJECTION MOLDED SCROLL FORM  
Scrolls made from injection molding processes are disclosed. The scroll components have a tip seal groove defined within an involute portion of the scroll. Bearing and tip seal engaging plates are...
US20110243777 SCROLL COMPRESSOR  
[Object] To provide a scroll compressor capable of improving compression efficiency. [Means of Solution] In a scroll compressor 1, a fixed scroll 16 includes a fixed base plate 16c, and a fixed...

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