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. 17, 1977
Filed:
Nov. 17, 1975
Applicant:
Inventor:
Glenn B Warren, Schenectady, NY (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02G / ;
U.S. Cl.
CPC ...
60 396 ; 123 4117 ; 123 4185 ; 123 4177 ; 1231 / ;
Abstract
A pneumatically actuated valve for controlling the flow of fluid from an inlet passage to the cylinder of a reciprocating piston machine wherein the valve is opened by the fluid pressure in the cylinder as the piston approaches top dead center and closed by fluid pressure from the cylinder supplied to the top of a plunger connected to the end of the valve stem when the piston is preselected distance below top dead center.