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:
Sep. 09, 2014
Filed:
Nov. 05, 2009
Rolf Habermann, Bergen, DE;
Rolf Habermann, Bergen, DE;
ITW Automotive Products GmbH, Iserlohn, DE;
Abstract
A valve fitted with a housing which comprises at least two mutually apart coolant hookups, and a thermally expansible device, including a housing and a push-rod and resting on the housing and operating in concert with a valve element that in turn operates in concert with an annular valve seat, said valve seat being situated between the two hookups, and a spring that biases the valve element toward the valve seat, wherein the valve element is in the form of an annular valve disk made by two-part injection molding, where one annular sealing portion is made of an elastomeric plastic and the remaining valve disk is made of a hard plastic, the outer sealing portion cooperating with the valve seat and the inner sealing portion cooperating in a sealing manner with a housing of the thermally expansible device.