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:
Nov. 29, 2016
Filed:
May. 28, 2013
Applicant:
Christian Bratu, Sain Nom la Breteche, FR;
Inventor:
Christian Bratu, Sain Nom la Breteche, FR;
Assignee:
PCM TECHNOLOGIES, Levallois-Perret, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01C 1/10 (2006.01); F03C 2/00 (2006.01); F03C 4/00 (2006.01); F04C 2/00 (2006.01); F04C 2/107 (2006.01); F04C 13/00 (2006.01); F04C 15/00 (2006.01); F04C 18/107 (2006.01); F04C 29/00 (2006.01);
U.S. Cl.
CPC ...
F04C 2/1075 (2013.01); F04C 2/1071 (2013.01); F04C 13/008 (2013.01); F04C 15/0046 (2013.01); F04C 18/1075 (2013.01); F04C 29/0028 (2013.01); F04C 2240/10 (2013.01); F05C 2251/02 (2013.01);
Abstract
A progressive cavity pump comprising a casing, a helical stator including a helical cylinder and a helical rotor capable of rotating inside said helical cylinder. The helical stator also comprises at least one compensator arranged in said casing, between the casing and said helical cylinder; said helical cylinder and said compensator being deformable in a direction perpendicular to the longitudinal axis of the casing.