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. 10, 1991
Filed:
Oct. 24, 1990
Applicant:
Inventors:
Robert K Havemann, Bloomington, MN (US);
Loyal V Pittman, Bloomington, MN (US);
Assignee:
Thermo King Corporation, Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25D / ; F25B / ; F16D / ;
U.S. Cl.
CPC ...
62180 ; 62186 ; 622284 ; 623231 ; 62239 ; 60358 ;
Abstract
A transport refrigeration system having an evaporator, an evaporator blower, a variable speed drive for the evaporator blower, a refrigerant compressor, and a prime mover for the compressor which includes an internal combustion engine having an output shaft, a pressurized oil lubrication system and an oil sump. The variable speed drive includes a fluid coupling which utilizes oil provided by the lubrication system of the internal combustion engine.