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:
Dec. 26, 1989
Filed:
Apr. 25, 1988
Applicant:
Inventors:
Arnold F Decker, Aurora, IL (US);
Timothy L Silke, Aurora, IL (US);
Assignee:
Templeton, Kenly & Co., Broadview, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
417 46 ;
Abstract
An air operated hydraulic fluid pump having an air pressure operated motor drivingly connected to a hydraulic fluid pump to drive the hydraulic fluid pump, and an airflow control valve controlling the supply of air from an air pressure source to the air pressure operated motor, the airflow control valve causing an increase in the supply of air to the air valve pressure operated motor in proportion to increase in the hydraulic fluid pressure generated by the hydraulic fluid pump.