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:
Aug. 20, 2002
Filed:
Mar. 27, 2001
Herbert Bimboes, Filderstadt, DE;
Harald Raiser, Balingen, DE;
Wolfgang Schmidt, Plochingen, DE;
Michael Sickelmann, Stuttgart, DE;
Behr GmbH & Co., Stuttgart, DE;
Abstract
The invention relates to a filling device for motor vehicle air-conditioning systems which can be operated with harmless and natural refrigerants, in particular CO . The filling device is to have a high safety standard, while at the same time being simple to operate and having a cost-effective makeup. For this purpose, the filling device comprises a connection ( ) for connecting the device ( ) to the air-conditioning system, a drainage line ( ), containing a drainage valve ( ), for draining off the refrigerant of the air-conditioning system in a defined manner, a pumping-off line ( ) which has a pump ( ) and is connected to the connection ( ), for completely pumping off refrigerant residues and any other impurities, and a refrigerant feed line ( ), connected to the connection ( ), for filling the air-conditioning system with refrigerant from a refrigerant reservoir ( ).