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. 06, 1997
Filed:
Dec. 02, 1994
Applicant:
Inventor:
Zachary T Parker, Huntington Beach, CA (US);
Assignee:
Flo-Dynamics, Inc., Compton, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65B / ; B65B / ; B67C / ;
U.S. Cl.
CPC ...
141 98 ; 141-4 ; 141 65 ; 141367 ; 417307 ; 1341 / ; 1341 / ;
Abstract
An automatic transmission fluid exchanging device includes drain and supply tubes to conduct used transmission fluid from and unused transmission fluid to a vehicle transmission. The device further includes a supply pump in the supply tube to flow unused transmission fluid into the transmission. A pair of flow control valves are disposed in the respective drain and supply tubes to allow the operator to match the flow rates of fluid through the respective tubes.