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:
May. 02, 2006
Filed:
May. 28, 2003
David Shulver, Toronto, CA;
Dan Sarkanjac, Etobicoke, CA;
Wei Tang, Brampton, CA;
Tesma International Inc., Concord, CA;
Abstract
A dual fluid pump assembly driven by respective shafts of a dual balancing shaft assembly for an engine of an automotive vehicle. A shaft housing rotatably supports primary and secondary balancing shafts of the dual balancing shaft assembly. The shafts are coupled by a gear train for rotating the primary and secondary balance shafts in opposite directions. Each shaft includes a distal end for supporting and driving a fluid pump. A pump housing is fixedly secured to the shaft housing for enclosing the fluid pump and retaining fluid therebetween. The pumps are disposed adjacent the shaft housing and within a seal formed by the shaft housing and pump housing.