Interrelated power delivery controls – including engine control – Transmission control – Transmission controlled by engine
Reexamination Certificate
2007-09-12
2011-11-15
Pang, Roger (Department: 3655)
Interrelated power delivery controls, including engine control
Transmission control
Transmission controlled by engine
C477S906000, C701S066000
Reexamination Certificate
active
08057358
ABSTRACT:
A control system and method for an electromagnetic clutch brake, including an electromagnetic clutch brake actuator coil surrounding a power input shaft for a multiple-ratio transmission in a vehicle powertrain. A protective circuit of the control system normally monitors data inputs from a databus that may indicate conditions that are not favorable for clutch brake actuation. The protective circuit prevents actuation of the clutch brake under such conditions. In the event the data inputs are not available from the databus, the protective circuit permits operation in a fall-back mode in which a brake ON timer is checked prior to clutch brake actuation. A primary counter is incremented with each normal clutch brake actuation and a secondary counter is incremented with each fall-back clutch brake actuation.
REFERENCES:
patent: 1851571 (1932-03-01), Carl Doman
patent: 3465327 (1969-09-01), Schroter
patent: 3834499 (1974-09-01), Candellero et al.
patent: 3857468 (1974-12-01), Iritono et al.
patent: 3893191 (1975-07-01), Gold et al.
patent: 4014420 (1977-03-01), Riese
patent: 4222471 (1980-09-01), Hsu
patent: 4495457 (1985-01-01), Stahl
patent: 4694945 (1987-09-01), Koitabashi
patent: 4848527 (1989-07-01), Kamio
patent: 4848531 (1989-07-01), Gray et al.
patent: 5172798 (1992-12-01), Mabee
patent: 5209085 (1993-05-01), Brien
patent: 5267635 (1993-12-01), Peterson et al.
patent: 5533425 (1996-07-01), Mabee
patent: 5559286 (1996-09-01), White et al.
patent: 5842376 (1998-12-01), Dresden et al.
patent: 5921780 (1999-07-01), Myers
patent: 5931272 (1999-08-01), Fukushima et al.
patent: 6105743 (2000-08-01), Salecker et al.
patent: 6123643 (2000-09-01), Davis et al.
patent: 6139467 (2000-10-01), Kosik et al.
patent: 6482123 (2002-11-01), Steeby
patent: 6494810 (2002-12-01), Mack et al.
patent: 6622836 (2003-09-01), Otto et al.
patent: 7318515 (2008-01-01), Hornbrook et al.
patent: 7597651 (2009-10-01), Hornbrook
patent: 2004/0180747 (2004-09-01), Weilant et al.
patent: 0 822 354 (2001-05-01), None
Hornbrook Michael J.
Wang Yeidei
Brooks & Kushman P.C.
Eaton Corporation
Pang Roger
LandOfFree
Control for an electromagnetic brake for a multiple-ratio... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Control for an electromagnetic brake for a multiple-ratio..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Control for an electromagnetic brake for a multiple-ratio... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4265389