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:
Aug. 27, 1996
Filed:
Mar. 04, 1994
Applicant:
Inventor:
Stephen R Earle, Pudsev, GB;
Assignee:
WABCO Automotive U.K. Limited, Leeds, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
417312 ; 921701 ;
Abstract
A vacuum pump comprises a casing body (11,12) having a cylinder liner (16) therein which defines a primary exhaust passage between the outer wall of the liner and the inner wall of the body. The exhaust passage includes restrictors (20,21), which permit the spaces (37,38) in the interior of the body to be used as silencer chambers.
Quick Actions:
Earle, Stephen. (1996). High speed vacuum pump with reduced exhaust noise (U.S. Patent No. 5549454). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5549454
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile