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. 25, 2004
Filed:
Oct. 30, 2001
Applicant:
Inventor:
Giuseppe Medico, Rivoli, IT;
Assignee:
Magneti Marelli Powertrain S.p.A., Turin, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 3/100 ; F16D 3/102 ;
U.S. Cl.
CPC ...
F16H 3/100 ; F16D 3/102 ;
Abstract
A fluid recovery system for an automatic transmission unit of a vehicle, provided with a tank containing a fluid, a hydraulic circuit receiving this fluid from the tank, an electrovalve unit supplied by the hydraulic circuit and adapted to control actuator units in order to actuate the opening and closing of a clutch and to perform the selection and engagement/disengagement of the gears of a gear change, the system comprising at least one collection zone adapted to recover the fluid escaping from the actuator units and at least one duct connecting the collection zone to the tank so that the fluid recovered in the collection zone can be returned to the tank.