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:
Oct. 25, 1994
Filed:
Sep. 30, 1993
Thomas Attinger, Stuttgart, DE;
Wolfgang Kleineberg, Calw, DE;
Reiner Bandlow, Stuttgart, DE;
Burkhard Raabe, Stuttgart, DE;
Mercedes-Benz AG, Stuttgart, DE;
Abstract
In an arrangement for protecting a cooling system of an internal combustion engine from excessive pressure which cooling system includes a coolant container with a filler mouthpiece with a pressure operated valve mounted on an insert received in the mouthpiece so as to normally close the filler mouthpiece, the mouthpiece has a ventilation opening providing for communication between a gas volume in the coolant container and the filler mouthpiece and including a flow control element which is automatically closed when the coolant container is being filled to permit filling of the container only to the lower end of the mouthpiece extending into the coolant container but is opened by the insert introduced into the filler mouthpiece when the filler mouthpiece is closed. The insert also includes a valve arrangement for controlling the coolant system pressure and various conditions.