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:
Jun. 17, 1980
Filed:
Jul. 26, 1978
Applicant:
Inventors:
Jean-Pierre Bimond, Pau, FR;
Jean-Michel Etcheverria, Biarritz, FR;
Flavien Lazarre, Pau, FR;
Andre Veron, Serres-Castet, FR;
Assignee:
Societe Nationale Elf Aquitaine (Production), Courbevoie, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B / ; F01B / ;
U.S. Cl.
CPC ...
92 31 ; 417 63 ; 417460 ;
Abstract
A miniature volumetric pump for determining the thermodynamic characteristics of oil effluents comprising a hollow cylinder and a piston moving in a straight line relative to the cylinder. The pump is characterized in that the piston is stationary and secured to the pump frame and in that the cylinder can move in a straight line with respect to the frame and is adapted to receive the piston in sealing-tight manner in its bore, the pump comprising a screen device for moving the cylinder.