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:
Jun. 17, 2003
Filed:
Jun. 06, 2002
Applicant:
Inventor:
Bernard A. Raad, Oxnard, CA (US);
Assignee:
Pacific Scientific Electrokinetics Division, Carpinteria, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16F 1/503 ;
U.S. Cl.
CPC ...
F16F 1/503 ;
Abstract
The invention comprises a retarder system for use with road vehicles. The retarder system discloses two improvements. The first is a system incorporating a self-excited electromagnetic and hydraulic retarder combination. The second is a retarder system incorporating the use of a PMG Gear ratio which permits use of a permanent magnet generator on a secondary shaft which is coupled by the gear ratio to a drive train.