The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 07, 2014

Filed:

Jun. 23, 2010
Applicants:

Ian David Stones, Burgess Hill, GB;

Alan Ernest Kinnaird Holbrook, Pulborough, GB;

Inventors:

Ian David Stones, Burgess Hill, GB;

Alan Ernest Kinnaird Holbrook, Pulborough, GB;

Assignee:

Edwards Limited, Crawley, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03C 2/00 (2006.01); F03C 4/00 (2006.01); F04C 18/02 (2006.01); F04C 23/00 (2006.01);
U.S. Cl.
CPC ...
F04C 18/0215 (2013.01); F04C 18/0284 (2013.01); F04C 23/008 (2013.01); F04C 18/0276 (2013.01);
Abstract

A scroll compressor includes two scrollshaving respective scroll platesand respective scroll walls. The scroll walls intermesh so that on relative orbital movement of the scrolls, a volumeof gas is trapped between the scrolls and pumped from an inletto an outlet. The axial extent 'A' of the trapped volume between the scroll plates is less along a first portionof a flow pathbetween the inlet and the outlet than the axial extent 'B' of the trapped volume along a second portionof the flow path, and the first portion is closer to the inlet than the second portion along the flow path.


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