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:
Nov. 13, 1979
Filed:
Mar. 13, 1978
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A bimetal device with an electrical heating element which serves for temperature-dependent control is provided. The bimetal device has a thin insulating layer, on which is arranged at least one electrical resistance layer which serves as a heating element. The resistance layer can be placed on the base of the bimetal device by means of vapor depositing or by thick film technology. In this manner a plurality of resistance layers can be provided that are insulated from each other and of which one serves for continual heating. It can also be useful to provide only one resistance layer which is connected in series with a PTC resistor and holds the bimetal device at a certain temperature. The embodiment of the electrical heating element as a resistance layer makes possible a very rapid heating of the bimetal.