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Class Information
Number: 418/55.2
Name: Rotary expansible chamber devices > Working member has planetary or planetating movement > Helical working member, e.g., scroll > Having specific wrap or end plate, e.g., shape, material, coating
Description: Apparatus in which the end plate or wrap has a specific shape, or coating or is made out of a specific material.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7614860 |
Scroll compressor |
Nov. 10, 2009 |
| 7604465 |
Fluid machine and scroll compressor having a crankshaft with a large diameter shaft section |
Oct. 20, 2009 |
| 7594803 |
Orbit control device for a scroll compressor |
Sep. 29, 2009 |
| 7563510 |
Fluid machinery |
Jul. 21, 2009 |
| 7553140 |
Flanged sleeve guide |
Jun. 30, 2009 |
| 7540726 |
Scroll compressor and method for machining scroll wrap |
Jun. 2, 2009 |
| 7537440 |
Scroll compressor with multiple isolated inlet ports |
May. 26, 2009 |
| 7520737 |
Positive-displacement fluid machine |
Apr. 21, 2009 |
| 7497673 |
Scroll fluid machine having forced convection generating portion |
Mar. 3, 2009 |
| 7497674 |
Scroll compressor having shoulder and rotation-preventing portions positioned as different phases |
Mar. 3, 2009 |
| 7491044 |
Sealing device of fluid machinery |
Feb. 17, 2009 |
| 7458152 |
Method of manufacturing an orbiting scroll in a scroll fluid machine |
Dec. 2, 2008 |
| 7445437 |
Scroll type fluid machine having a first scroll wrap unit with a scroll member and a scroll receiving member, and a second scroll wrap unit engaged with the first scroll wrap unit |
Nov. 4, 2008 |
| 7431576 |
Ductile cast iron scroll compressor |
Oct. 7, 2008 |
| 7419371 |
Scroll fluid machine |
Sep. 2, 2008 |
| 7404706 |
Scroll fluid machine having oil-supply holes being formed through a reinforcement bearing plate on a rear surface of the orbiting scroll |
Jul. 29, 2008 |
| 7377759 |
Scroll fluid machine with a self-rotation-preventing device having ears for an orbiting scroll |
May. 27, 2008 |
| 7371059 |
Scroll compressor with discharge valve |
May. 13, 2008 |
| 7364418 |
Scroll fluid machine having an adjustment member with a deformable element |
Apr. 29, 2008 |
| 7344365 |
Scroll compressor with bypass holes communicating with an intake chamber |
Mar. 18, 2008 |
| 7341439 |
Scroll fluid machine having an adiabatic expansion chamber |
Mar. 11, 2008 |
| 7341438 |
Scroll-type fluid machine including passage formed in movable scroll |
Mar. 11, 2008 |
| 7338264 |
Recesses for pressure equalization in a scroll compressor |
Mar. 4, 2008 |
| 7338263 |
Method and apparatus for compressor re-manufacture |
Mar. 4, 2008 |
| 7335004 |
Apparatus for varying capacity in scroll compressor |
Feb. 26, 2008 |
| 7318710 |
Fixed scroll of scroll compressor |
Jan. 15, 2008 |
| 7316549 |
Step-type capacity varying apparatus of scroll compressor |
Jan. 8, 2008 |
| 7314356 |
Fluid machine |
Jan. 1, 2008 |
| 7278833 |
Hybrid compressor |
Oct. 9, 2007 |
| 7255543 |
Scroll compressor and air-conditioning system for vehicle using the scroll compressor |
Aug. 14, 2007 |
| 7244114 |
Scroll compressor |
Jul. 17, 2007 |
| 7238011 |
Scroll compressor |
Jul. 3, 2007 |
| 7232296 |
Serviceability features for a scroll fluid machine |
Jun. 19, 2007 |
| 7228710 |
Indentation to optimize vapor injection through ports extending through scroll wrap |
Jun. 12, 2007 |
| 7229261 |
Scroll compressor having an annular recess located outside an annular seal portion and another recess communicating with suction port of fixed scroll |
Jun. 12, 2007 |
| 7210913 |
Scroll fluid machine with a silencer |
May. 1, 2007 |
| 7201568 |
Scroll fluid machine |
Apr. 10, 2007 |
| 7189066 |
Light gas vacuum pumping system |
Mar. 13, 2007 |
| 7179067 |
Scroll compressor with wrap walls provided with an abradable coating and a load-bearing surface at radially outer locations |
Feb. 20, 2007 |
| 7124585 |
Scroll-type expander having heating structure and scroll-type heat exchange system employing the expander |
Oct. 24, 2006 |
| 7121817 |
Scroll fluid machine comprising compressing and expanding sections |
Oct. 17, 2006 |
| 7104060 |
Exhaust energy recovery system for combustion engine |
Sep. 12, 2006 |
| 7100386 |
Economizer/by-pass port inserts to control port size |
Sep. 5, 2006 |
| 7086151 |
Powder metal scrolls |
Aug. 8, 2006 |
| 7086844 |
Multi-stage scroll fluid machine having a set a seal elements between compression sections |
Aug. 8, 2006 |
| 7074023 |
Scroll compressor |
Jul. 11, 2006 |
| 7029251 |
Backpressure mechanism of scroll type compressor |
Apr. 18, 2006 |
| 7014435 |
Scroll fluid machine |
Mar. 21, 2006 |
| 7001161 |
Scroll fluid machine |
Feb. 21, 2006 |
| 6971862 |
Appartus for preventing overheat of scroll compressor |
Dec. 6, 2005 |
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