Detecting tire decompression based on wheel speed

Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Vehicle diagnosis or maintenance indication

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C116S03400R, C137S223000, C137S224000, C141S038000, C200S061220, C338S037000, C340S442000, C425S015000, C073S146200, CD10S086000

Reexamination Certificate

active

07551992

ABSTRACT:
A method for detecting decompression of tires based on the rotational speed of wheels mounted on a vehicle, comprising the steps of: detecting the rotational speed of each of the above-mentioned wheels, determining the speed against ground of the vehicle, calculating the speed information of a fixed wheel from the rotational speeds of said wheels, calculating the judgment value of the wheel position by comparing the speed information of the wheels with the speed against ground of the vehicle, comparing the judgment value of the wheel position with the basis value of the wheel position obtained by preliminarily comparing the speed against ground of the vehicle with the speed information of the wheels at prescribed inner pressure, and judging decompression of tires based on relation between the comparison value of the basis value with the judgment value and a fixed threshold. A region of judging decompression of tires can be broadened and the accuracy of reduced pressure judgment can be improved.

REFERENCES:
patent: 3691524 (1972-09-01), Frost et al.
patent: 4267575 (1981-05-01), Bounds
patent: 4566737 (1986-01-01), Masaki et al.
patent: 4651281 (1987-03-01), Masaki et al.
patent: 4777611 (1988-10-01), Tashiro et al.
patent: 4876528 (1989-10-01), Walker et al.
patent: 4909074 (1990-03-01), Gerresheim et al.
patent: 4943922 (1990-07-01), Tanaka
patent: 5006844 (1991-04-01), Ohta et al.
patent: 5197008 (1993-03-01), Itoh et al.
patent: 5218862 (1993-06-01), Hurrell et al.
patent: 5239469 (1993-08-01), Walker et al.
patent: 5252946 (1993-10-01), Walker et al.
patent: 5327116 (1994-07-01), Davidson
patent: 5327346 (1994-07-01), Goodell
patent: 5442331 (1995-08-01), Kishimoto et al.
patent: 5498072 (1996-03-01), Shimizu
patent: 5564796 (1996-10-01), Saito et al.
patent: 5646849 (1997-07-01), Walenty et al.
patent: 5670716 (1997-09-01), Tamasho et al.
patent: 5699251 (1997-12-01), Mori et al.
patent: 5760682 (1998-06-01), Liu et al.
patent: 5771480 (1998-06-01), Yanase
patent: 5826207 (1998-10-01), Ohashi et al.
patent: 5826210 (1998-10-01), Izumi et al.
patent: 5895846 (1999-04-01), Chamussy et al.
patent: 5939626 (1999-08-01), Tominaga et al.
patent: 5941613 (1999-08-01), Tagawa
patent: 5982279 (1999-11-01), Tominaga et al.
patent: 6034595 (2000-03-01), Yanase
patent: 6060983 (2000-05-01), Yanase et al.
patent: 6137400 (2000-10-01), Yanase et al.
patent: 6182021 (2001-01-01), Izumi et al.
patent: 6317667 (2001-11-01), Oshiro
patent: 6323765 (2001-11-01), Horie et al.
patent: 6339957 (2002-01-01), Yanase et al.
patent: 6385553 (2002-05-01), Naito et al.
patent: 6396396 (2002-05-01), Oshiro et al.
patent: 6420966 (2002-07-01), Sugisawa
patent: 6501373 (2002-12-01), Kitano
patent: 6504475 (2003-01-01), Sugisawa
patent: 6604040 (2003-08-01), Kawasaki et al.
patent: 6615650 (2003-09-01), Mahner
patent: 6696934 (2004-02-01), Sugisawa
patent: 6748798 (2004-06-01), Oshiro et al.
patent: 6768418 (2004-07-01), Tominaga et al.
patent: 6834543 (2004-12-01), Kin et al.
patent: 6940399 (2005-09-01), Tominaga et al.
patent: 2002/0036567 (2002-03-01), Larson
patent: 2002/0053971 (2002-05-01), Kitano
patent: 2002/0105419 (2002-08-01), Sugisawa
patent: 2003/0076223 (2003-04-01), Tominaga et al.
patent: 2003/0130773 (2003-07-01), Oshiro et al.
patent: 2003/0146830 (2003-08-01), Tominaga et al.
patent: 2004/0046648 (2004-03-01), Matsuura
patent: 2004/0079145 (2004-04-01), Kin et al.
patent: 2004/0196149 (2004-10-01), Dufournier
patent: 198 02 498 (1999-07-01), None
patent: 51-56273 (1976-05-01), None
patent: 2-106415 (1990-04-01), None
patent: 7-52620 (1995-02-01), None
patent: 7-144519 (1995-06-01), None
patent: 10-258618 (1998-09-01), None
patent: 10-297228 (1998-11-01), None
patent: 10-512515 (1998-12-01), None
patent: 11-295190 (1999-10-01), None
patent: 2002-2240 (2002-01-01), None
patent: 2002-2240 (2002-01-01), None
patent: 2000185217 (2002-08-01), None
patent: 2002-362117 (2002-12-01), None
patent: 2003-94920 (2003-04-01), None
patent: 2003-146037 (2003-05-01), None

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Detecting tire decompression based on wheel speed does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Detecting tire decompression based on wheel speed, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Detecting tire decompression based on wheel speed will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-4099045

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.