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.

Date of Patent:
Jun. 23, 1992

Filed:

Aug. 10, 1990
Applicant:
Inventor:

Henricus J Willemsen, Bladel, NL;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B / ; B65B / ;
U.S. Cl.
CPC ...
417404 ; 141 59 ; 141290 ; 91349 ;
Abstract

A vapor exhaust system including a volumeter 5 to which an air pump 7 has been coupled mechanically so that the volume of a certain amount of pumped liquid corresponds to the amount of air pumped from a fuel tank. A translatory or rotary motion provides the signal to maintain this correspondence, in which case the drive shaft 10 of the volumeter 5 is coupled to the air pump which may be executed as a gear pump. If desired, the coupling may be executed as a gear transmission 22.


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