Featured patents

Compressor Having a Shutdown Valve
US 08668478 B2, March 11, 2014, Weihua Guo et al. / Emerson Climate Technologies, Inc. (Sidney, US)
A scroll compressor comprising:…

Compressor Having Capacity Modulation System
US 08529232 B2, Sept. 10, 2013, Robert C. Stover et al. / Emerson Climate Technologies, Inc. (Sidney, US)
A compressor comprising:…

Compressor Having Capacity Modulation System
US 08517704 B2, Aug. 27, 2013, Masao Akei et al. / Emerson Climate Technologies, Inc. (Sidney, US)
A compressor comprising:…

Compressor Including Anti-Rotation Washer and Method of Assembly
US 08628312 B2, Jan. 14, 2014, Walter T. Grassbaugh et al. / Emerson Climate Technologies, Inc. (Sidney, US)
A compressor comprising:…

Compressor Including Valve Assembly
US 08517703 B2, Aug. 27, 2013, Roy J. Doepker / Emerson Climate Technologies, Inc. (Sidney, US)
A compressor comprising:…

Multi-Stage Scroll Machine
US 08864479 B2, Oct. 21, 2014, Stephane Watts et al. / Danfoss Commercial Compressors (Reyrieux, FR)
A multi-stage scroll machine intended to compress and/or expand a fluid,…

Powder Metal Scroll Hub Joint
US 08684711 B2, April 1, 2014, Jean-Luc M. Caillat et al. / Emerson Climate Technologies, Inc. (Sidney, US)
A scroll component comprising:…

Powder Metal Scrolls
US 08568117 B2, Oct. 29, 2013, Marc J. Scancarello / Emerson Climate Technologies, Inc. (Sidney, US)
A scroll component for a scroll machine, comprising a sintered powder metal…

Scroll Compressor
US 08622723 B2, Jan. 7, 2014, Kazuhiko Matsukawa et al. / Daikin Industries, Ltd. (Osaka, JP)
A scroll compressor comprising:…

Scroll Compressor Having a Pass Hole for Preventing Over-Compression Under a Low Load Condition
US 08672655 B2, March 18, 2014, Jeonghun Kim et al.
A scroll compressor, comprising:…

Scroll Compressor Having Through Holes With a Set Depth
US 08475148 B2, July 2, 2013, Kazuyoshi Sugimoto et al. / SANYO Electric Co., Ltd. (Moriguchi, Osaka, JP)
A scroll compressor comprising a sealed container in which a scroll compression…

Scroll Compressor With Cover Covering Driving Shaft of Driving Motor
US 08845310 B2, Sept. 30, 2014, Satoshi Iitsuka et al. / SANYO Electric Co., Ltd. (Moriguchi-shi, JP)
A scroll compressor, comprising:…

Scroll Compressor With Cover Covering Driving Shaft of Driving Motor
US 08827667 B2, Sept. 9, 2014, Kazuyoshi Sugimoto et al. / SANYO Electric Co., Ltd. (Moriguchi-shi, JP)
A scroll compressor, comprising:…

Scroll Expansion Machine With Air Flow Passage Around Outer Periphery of Sealing Surface
US 08562317 B2, Oct. 22, 2013, Tamotsu Fujioka et al. / Anest Iwata Corporation JP
A scroll expansion machine comprising:…

Scroll Fluid Machine
US 08858203 B2, Oct. 14, 2014, Kazutaka Suefuji et al. / Hitachi Industrial Equipment Systems Co., Ltd. (Tokyo, JP)
A scroll fluid machine comprising:…

Scroll Type Compressor Having Reinforced Fixed Scroll
US 08535029 B2, Sept. 17, 2013, Akio Saiki et al. / Kabushiki Kaisha Toyota Jidoshokki (Aichi-Ken, JP)
A scroll type compressor comprising:…

Scroll-Type Refrigerator Compressor
US 08794940 B2, Aug. 5, 2014, Pierre Emilien Clement et al. / Danfoss Commercial Compressors (Trevoux, FR)
A scroll-type refrigerator compressor comprising first and second volutes…

Shaft Mounted Counterweight, Method and Scroll Compressor Incorporating Same
US 08672654 B2, March 18, 2014, James W. Bush et al. / Bitzer Kuhlmaschinenbau GmbH (Sindelfingen, DE)
A scroll compressor for compressing fluid, comprising,…

Water Injected Scroll Air Compressor
US 08721308 B2, May 13, 2014, Natsuki Kawabata et al. / Hitachi Industrial Equipment Sytems Co., Ltd. (Tokyo, JP)
A water injected air compressor, comprising:…

Patentorg has 19 documents under Helical Working Member, e.g., Scroll Patents.

Other subcategories for category Rotary expansible chamber devices
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