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:
May. 27, 1980
Filed:
Jun. 12, 1978
Applicant:
Inventor:
Harold Durling, Elsie, MI (US);
Assignee:
Midland-Ross Corporation, Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
137102 ; 137854 ;
Abstract
An exhaust valve assembly includes a housing having a plurality of ports and a flexible diaphragm movable between opposite positions for selectively connecting the ports. A central elongated stem on the diaphragm extends tightly through a hole in the housing for minimizing vibration of the diaphragm.