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. 21, 1982
Filed:
Oct. 22, 1979
Applicant:
Inventor:
Giampaolo Garcea, Milan, IT;
Assignee:
Alfa Romeo S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01P / ;
U.S. Cl.
CPC ...
123 4110 ; 236 345 ;
Abstract
This invention relates to a coolant circuit for internal combustion engines, specially for motor vehicles. In order to improve the engine operation after cold starting, there is provided a second valve which cooperates with the usual thermostatic valve so as to lower substantially to zero the flow rate of the coolant through the circulating pump and the engine when the engine and the coolant are still cold and limited power is requested.