continued from part 2 - Controller General of Patents, Designs, and ...

(12) PATENT APPLICATION PUBLICATION (21) Application No.1721/KOL/2008 A
(19) INDIA
(22) Date of filing of Application :10/10/2008 (43) Publication Date : 05/06/2009
(54) Title of the invention : METHOD AND APPARATUS TO MONITOR A FLOW MANAGEMENT VALVE OF AN ELECTRO-
MECHANICAL TRANSMISSION
(51) International classification
:G06F7/00;
G06F7/00
(31) Priority Document No :11/870042
(32) Priority Date :10/10/2007
(71)Name of Applicant :
1)GM GLOBAL TECHNOLOGY OPERATIONS, INC.
Address of Applicant :300 GM RENAISSANCE CENTER,
DETROIT, MICHIGAN U.S.A.
(72)Name of Inventor :
1)PETER E. WU
2)RYAN D. MARTINI
3)ANDREW M. ZETTEL
4)CHARLES J. VAN HORN
5)THOMAS E. MATHEWS
6)KAMBIZ PANAHI
(33) Name of priority country :U.S.A.
(86) International Application No
:NA
Filing Date
:NA
(87) International Publication No : NA
(61) Patent of Addition to Application Number :NA
Filing Date
:NA
(62) Divisional to Application Number
:NA
Filing Date
(57) Abstract :
:NA
A flow management valve is operative to enable a multi-range electro-mechanical transmission in first and second ranges. Fluid
pressure in a hydraulic circuit is monitored to detect a fault in the flow management valve.
No. of Pages : 35 No. of Claims : 17
The Patent Office Journal 05/06/2009 26303