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:
Aug. 14, 1990
Filed:
May. 03, 1989
Applicant:
Inventors:
Stephen R Speer, Spokane, WA (US);
Jan G Norton, Spokane, WA (US);
James D Wilson, Greenacres, WA (US);
Assignee:
Machen, Inc., Spokane, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01M / ;
U.S. Cl.
CPC ...
123 4186 ; 417151 ; 1231 / ;
Abstract
There is provided for use in a reciprocating engine, a motive flow pump to provide a constant suction pressure in order to draw oil from a breather oil recovery device back to the engine oil reservoir. The motive power for this pump is provided from the flow of oil from a different source.