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:
Jan. 27, 2004
Filed:
Jul. 01, 2002
Harald Böke, Kalletal-Kalldorf, DE;
Burkert Werke GmbH & Co., , DE;
Abstract
A dispensing system for petrol pumps, comprising a pump, a dispensing valve in a petrol pump nozzle and an electrically controllable solenoid valve ( ), characterized in that the solenoid valve ( ) includes a directly acting principal valve ( ) and a bypass valve ( ) arranged so as to bypass the principal valve ( ), and a solenoid drive ( ) by which in case of a differential pressure present above the sealing seat ( ) of the principal valve ( ) at first only the bypass valve ( ) is able to be switched to the open position, and only after a pressure compensation has, occurred at the sealing seat ( ) of the principal valve ( ) by the opening of the bypass valve ( ) is the principal valve ( ) also able to be switched to the open position.