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:
Feb. 15, 2022
Filed:
Sep. 19, 2019
Volvo Car Corporation, Gothenburg, SE;
Yongping Xu, Shanghai, CN;
Xuexiang Cao, Shanghai, CN;
Volvo Car Corporation, Gothenburg, SE;
Abstract
A thermostat for controlling a coolant circuit comprising: a housing assembly defining an internal cavity and first and second inlets for establishing fluid communication between the internal cavity and the coolant circuit; a wax pack arranged in the internal cavity, the wax pack comprising a push bar and a wax pack body; a blocking frame configured to be driven by the wax pack body to open/close the first inlet; and a main valve block configured to be driven by the wax pack body and/or the blocking frame to open/close the second inlet; wherein the wax pack body comprises: a casing in which wax is filled; a rubber hose having a cylindrical body inserted in the casing; and a cover having a clamping portion clamped onto the casing to seal the rubber hose between the casing and the cover.