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:
Mar. 29, 1988
Filed:
Jul. 30, 1986
Denis Menard, Courbevoie, FR;
Jean Herbulot, Franconville, FR;
501 Valeo, Paris, FR;
Abstract
A heat generator suitable for heating the cab or passenger compartment of a motorized automobile vehicle comprises an enclosure inside which are mechanical friction means adapted to be driven by the motor of the vehicle. These friction means are operable with a variable clamping force. A heat transfer liquid is circulated through this enclosure. The clamping force of the friction means is varied in inverse proportion to the speed at which friction means are driven by the motor. Thus the clamping force on the friction means is reduced as the motor speed increases, so that the quantity of heat produced is largely independent of the rotation speed of the motor.