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. 13, 2001
Filed:
Apr. 27, 1999
Applicant:
Inventor:
Rolf-Dieter Schlein, Rotenburg, DE;
Assignee:
Mannesmann VDO AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B 3/02 ;
U.S. Cl.
CPC ...
B08B 3/02 ;
Abstract
In the case of a cleaning device (,) a washer jet (,) is arranged on a piston rod (,) which can be moved by means of an electromotive drive unit (,). A heating element (,), which is connected to a hollow cylinder (,) which is in a fixed location, is situated, in its illustrated position of rest, in the direct vicinity of the washer jet (,) and in this manner makes it possible for the washer jet (,) to be heated thereby preventing it from freezing up when ambient temperatures are critical. No electrical contacts are required on the moveable part of the cleaning device (,) because of the connection of the heating element (,) in a fixed location.