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. 07, 1991
Filed:
Sep. 21, 1990
Applicant:
Inventor:
Vincent J Pitzi, South Windsor, CT (US);
Assignee:
Jacobs Brake Technology Corporation, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D / ;
U.S. Cl.
CPC ...
123321 ; 123 9016 ;
Abstract
An engine retarding system of a gas compression release type is provided for an engine equipped with a high pressure hydraulic fluid supply system. The retarder comprises an hydraulically driven exhaust valve actuator, a solenoid actuated servo valve controlling the flow of high pressure hydraulic fluid from the supply to the actuator and an electronic controller which provides a signal to operate the solenoid as a function of the engine speed and crankshaft position.