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.
Patent No.:
Date of Patent:
Apr. 30, 2002
Filed:
Nov. 28, 2000
Applicant:
Inventors:
Gregory W. Hahn, Arkadelphia, AR (US);
Todd W. Dewar, Abingdon, VA (US);
David M. Fenocchi, Arkadelphia, AR (US);
John R. Williams, Bristol, VA (US);
Tracy L. Milliff, Bristol, VA (US);
Assignee:
Scroll Technologies, Arkadelphia, AR (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04C 1/804 ; F04C 2/900 ; F16K 1/502 ;
U.S. Cl.
CPC ...
F04C 1/804 ; F04C 2/900 ; F16K 1/502 ;
Abstract
An improved check valve for a scroll compressor has a stop body which has a contact face which is reduced in surface area to reduce the stiction or holding force holding the valve at shut down. In this way, the valve is allowed to move to its closed position more rapidly.