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:
Sep. 29, 2015
Filed:
Nov. 22, 2011
Applicant:
Herman H. Viegas, Bloomington, MN (US);
Inventor:
Herman H. Viegas, Bloomington, MN (US);
Assignee:
THERMO KING CORPORATION, Minneapolis, MN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 49/00 (2006.01); F01D 15/12 (2006.01); F04B 35/04 (2006.01); F04C 29/00 (2006.01);
U.S. Cl.
CPC ...
F04B 35/04 (2013.01); F04C 29/005 (2013.01);
Abstract
A refrigerant compressor system including a prime mover, a compressor, and an unloader device that couples the compressor to the prime mover. The unloading device includes a centrifugal clutch and an electric clutch.