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. 19, 2021
Filed:
Jul. 28, 2016
Applicant:
Nuovo Pignone Tecnologie Srl, Florence, IT;
Inventors:
Manuele Bigi, Florence, IT;
Giuseppe Sassanelli, Florence, IT;
Assignee:
NUOVO PIGNONE SRL, Florence, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 25/06 (2006.01); F04D 29/10 (2006.01); F04D 29/58 (2006.01); F04F 5/46 (2006.01); F04D 29/42 (2006.01);
U.S. Cl.
CPC ...
F04D 25/0686 (2013.01); F04D 29/102 (2013.01); F04D 29/5806 (2013.01); F04F 5/467 (2013.01); F04D 29/4206 (2013.01);
Abstract
A motorcompressor comprising an electric motor, a load, a shaft assembly, the electric motor and the load being mounted on the shaft assembly, a casing configured to completely house the electric motor, the load and the shaft assembly for its entire length, a divider located in the casing to define a motor chamber and a load chamber, the divider comprising at least a pumping device configured to transfer a part of the fluid present in the motor chamber to the load chamber so as to obtain in the motor chamber a pressure that is lower than a pressure at a load inlet.