Apparatus for notifying the possibility of a malfunction of an a

Details Apparatus for notifying the possibility of a malfunction of an a Apparatus for notifying the possibility of a malfunction of an a

1995-07-27

1998-02-17

Park, Collin W.

Boots, shoes, and leggings

364424034, 340438, 477 34, B60K 4106

Patent

active

057197679

ABSTRACT:
Disclosed is an apparatus for notifying the possibility of a malfunction of an automatic transmission, which includes a throttle valve sensor for detecting the degree of the throttle valve's opening to generate a throttle valve signal, a shift valve sensor for detecting the on/off state of the two shift valves to generate a .shift valve signal, a rotation number evaluation device for evaluating the number of the rotations of the transmission input and the transmission output shaft to generate a rotation number evaluation signal, a control circuit for first obtaining the standard distribution of the shifting time of all the shifts in the normal operation of the transmission to establish a plurality of error levels, second obtaining the distribution of the shifting time of the present shifts, and comparing the second obtained distribution with the error levels so as to generate a warning signal in abnormal operation of said transmission, and a warning means for displaying the possibility of the malfunction together with a possible malfunction code indicating a particular shifting mode according to the warning signal.

REFERENCES:
patent: 5133231 (1992-07-01), Goto et al.
patent: 5140871 (1992-08-01), Goto et al.
patent: 5163342 (1992-11-01), Pollack et al.
patent: 5168777 (1992-12-01), Isono et al.
patent: 5182970 (1993-02-01), Goto et al.
patent: 5219391 (1993-06-01), Edelen et al.
patent: 5251509 (1993-10-01), Pollack et al.
patent: 5289741 (1994-03-01), Debs et al.
patent: 5434779 (1995-07-01), Vukovich et al.

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