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.

Date of Patent:
Feb. 14, 1978

Filed:

Mar. 17, 1977
Applicant:
Inventor:

Kenneth R Lohbauer, Joliet, IL (US);

Assignee:

Caterpillar Tractor Co., Peoria, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B / ; F15B / ;
U.S. Cl.
CPC ...
60421 ; 60486 ; 91414 ;
Abstract

A fluid system has a plurality of pumps, left and right track motors and a plurality of work elements. First elements are provided for controllably delivering fluid from a first plurality of pumps to the left track motor and for controllably bypassing the left track motor and delivering fluid from at least one of the first plurality of pumps to a separate respective work element. Second elements are provided for controllably delivering fluid from a different plurality of said pumps to the right track motor and for controllably bypassing the right track motor and delivering fluid from at least one of the second plurality of pumps to a separate respective work element.


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