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:
Jul. 14, 1981
Filed:
Jul. 23, 1979
Applicant:
Inventors:
Karl H Wallischeck, Fairfield, CT (US);
James H Smith, Springfield, PA (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B / ;
U.S. Cl.
CPC ...
91420 ; 91433 ; 91468 ; 137501 ;
Abstract
A fluid flow regulator valve to regulate flow to a fluid driven prime mover wherein a selectively shaped, spring biased spool is positioned within a cylinder and has a sensor orifice therein to establish a pressure drop thereacross in response to controlled fluid flow rate and hence cause the spool to move within the cylinder to control both the metering orifice to and the return orifice from the flow conduit which connects the cylinder to the prime mover.
Wallischeck, Karl. (1981). Fluid flow regulator valve (U.S. Patent No. 4278010). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4278010
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile