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. 29, 1997
Filed:
Dec. 18, 1995
Applicant:
Inventor:
Darin J Thorp, Montpelier, OH (US);
Assignee:
Ingersoll-Rand Company, Woodcliff Lake, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B / ;
U.S. Cl.
CPC ...
13762566 ; 13762564 ; 251 60 ; 251285 ;
Abstract
A valve assembly for a pneumatic machine including a valve body having a first end, a second end, a central bore extending through the ends and a plurality of flow ports formed in the body; a valve spool movable through the bore along an axis in response to the flow of gas through the valve, to selectively open and seal the ports; an main inlet valve for moving the valve spool a distance along the axis; and a manually actuated means for overriding the main inlet valve.