US5651593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control device for an automotive vehicle having an antiskid brake system and differentials
Assignee: Individual
•
Filing: 1995-09-06
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Granted: 1997-07-29
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Expires: 2015-09-06
Abstract
Abstract A control device for an automotive vehicle comprises a differential disposed between wheels or wheel axles of a vehicle an antiskid brake control device to control an antiskid brake device which is capable of adjusting a brake pressure applied to a brake device of the vehicle to prevent wheels of the vehicle from locking, a differential limiting control device having a differential limiting device being capable of controlling and transferring a differential limit to the differential, and operating to decrease the differential limit while the antiskid brake device is operating, such that when either the antiskid brake control device or said differential control device fails, the non-failing control device receives a failure signal from the failing control device and the non-failing control device controls the vehicle towards a stable condition or increases a brake force.
Inventors
- 👤 Yuji Shitani
- 👤 Haruki Okazaki
- 👤 Seiji Miyamoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:11
CPC Classifications
B; B60; B60K; B60K23/00; B60K23/04; B60T; B60T8/00; B60T8/17; B60T8/176; B60T8/1761; B60T8/17616; B60T8/32; B60T8/88; B60T8/885; B60K23/08; B60K23/0808; B60T2210/00; B60T2210/10; B60T2210/16; B60W; B60W50/00; B60W50/02; B60W50/0205; B60W2050/021; Y; Y10; Y10S; Y10S303/00; Y10S303/06
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
101 words
A control device for an automotive vehicle comprising: an antiskid brake control device for controlling an antiskid brake device; and a differential control device for controlling a differential limiting device and for detecting a failure of one component operatively associated with the differential control device; wherein upon the failure of one component operatively associated with said differential control device, said antiskid brake control device receives a signal indicating the failure from said differential control device, and then said antiskid brake control device limits a control of the antiskid brake device as compared to when said differential control device does not fail.
Claim 2
Dependent Claim
101 words
A control device for an automotive vehicle comprising: an antiskid brake control device for controlling an antiskid brake device; and a differential control device for controlling a differential limiting device and for detecting a failure of one component operatively associated with the differential control device; wherein upon the failure of one component operatively associated with said differential control device, said antiskid brake control device receives a signal indicating the failure from said differential control device, and then said antiskid brake control device limits a control of the antiskid brake device as compared to when said differential control device does not fail.
Claim 3
Dependent Claim
55 words
A control device according to claim 1, wherein after said antiskid brake control device receives the signal indicating the failure from the differential control device, the antiskid brake control device allows a greater brake force as compared to when said differential control device does not fail for limiting the control of the antiskid brake device.
Claim 4
Dependent Claim
61 words
A control device according to claim 1, wherein the antiskid brake control device comprises a threshold control device for changing a threshold of the antiskid brake control device, said threshold control device shifts the threshold from a starting value to a second threshold value when the antiskid brake control device receives the signal indicating the failure from said differential control device.
Claim 5
Dependent Claim
64 words
A control device according to claim 1, wherein said antiskid brake control device comprises a threshold control device for changing a threshold of the antiskid brake control device, said threshold control device shifts the threshold from a starting value to a second threshold value upon receipt of the signal indicating the failure so as to change a starting condition of said antiskid brake control.
Claim 6
Dependent Claim
28 words
A control device according to claim 1, following receipt of the signal indicating failure from said differential control device, said antiskid brake control device prohibits antiskid brake control.
Claim 7
Dependent Claim
41 words
A control device according to claim 5, wherein a failure of one component operatively associated with the differential control device comprises a failure of said differential control device in a locked position while the antiskid brake control device is in operation.
Claim 8
Dependent Claim
41 words
A control device according to claim 1, wherein a failure of one component operatively associated with the differential control device comprises a failure of said differential control device in a locked position while the antiskid brake control device is in operation.
Claim 9
Dependent Claim
55 words
A control device according to claim 1 further comprising: a plurality of differential limiting devices; wherein following receipt of a signal indicating that all the differential limiting devices fail in a locked position while the antiskid brake control device is in operation, said antiskid brake control device prohibits the control of the antiskid brake device.
Claim 10
Dependent Claim
56 words
A control device according to claim 1 further comprising: a plurality of differential limiting devices; wherein following receipt of a signal indicating that all the differential limiting devices fail in a middle locked position while the antiskid brake control device is in operation, said antiskid brake control device restricts the control of the antiskid brake device.
Claim 11
Independent Claim
106 words
A method of controlling a vehicle comprising: controlling an antiskid brake device by using an antiskid brake control device; and controlling a differential limiting device by using a differential control device; detecting a failure of one component operatively associated with the differential control device; issuing a signal indicating the failure of one component operatively associated with the differential control device such that the antiskid brake control device receives the signal indicating the failure from the differential control device; and limiting a control of said antiskid brake device following receipt of the signal indicating the failure as compared to when said differential control device does not fail.
Claim 12
Independent Claim
106 words
A method of controlling a vehicle comprising: controlling an antiskid brake device by using an antiskid brake control device; and controlling a differential limiting device by using a differential control device; detecting a failure of one component operatively associated with the differential control device; issuing a signal indicating the failure of one component operatively associated with the differential control device such that the antiskid brake control device receives the signal indicating the failure from the differential control device; and limiting a control of said antiskid brake device following receipt of the signal indicating the failure as compared to when said differential control device does not fail.
Claim 13
Dependent Claim
52 words
A method of controlling according to claim 10, further comprising: allowing a greater brake force to limit said control of said antiskid brake device after the antiskid brake control device receives the signal indicating the failure from the differential control device as compared to when said differential control device does not fail.
Claim 14
Dependent Claim
55 words
A method of controlling according to claim 11, further comprising: changing a starting condition of said antiskid brake control by changing a threshold of the antiskid brake control device from a starting value to a second threshold value when the antiskid brake control device receives the signal indicating the failure from the differential control device.
Claim 15
Dependent Claim
51 words
A method of controlling according to claim 10, further comprising: changing a threshold of the antiskid brake control device so as to shift the threshold from a starting value to a second threshold value when the antiskid brake control device receives the signal indicating the failure from the differential control device.
Claim 16
Dependent Claim
26 words
A method of controlling according to claim 10, further comprising: prohibiting antiskid brake control following receipt of the signal indicating failure from the differential control device.
Claim 17
Dependent Claim
42 words
A method of controlling according to claim 14 wherein a failure of one component operatively associated with the differential control device comprises a failure of said differential control device in a locked position while the antiskid brake control device is in operation.
Claim 18
Dependent Claim
42 words
A method of controlling according to claim 10, wherein a failure of one component operatively associated with the differential control device comprises a failure of said differential control device in a locked position while the antiskid brake control device is in operation.
Claim 19
Dependent Claim
55 words
A method of controlling according to claim 10 further comprising: detecting a failure of a plurality of differential limiting devices; and prohibiting the control of the antiskid brake device following receipt of a signal indicating that all the differential limiting devices fail in a locked position while the antiskid brake control device is in operation.
Claim 20
Dependent Claim
56 words
A method of controlling according to claim 10 further comprising: detecting a failure of a plurality of differential limiting devices; and restricting the control of the antiskid brake device following receipt of a signal indicating that all the differential limiting devices fail in a middle locked position while the antiskid brake control device is in operation.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-07-28 | 2001-01-27 | 2001-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-07-28 | 2005-01-27 | 2005-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-07-28 | 2009-01-27 | 2009-07-29 | $7700.00 | Window Closed / Lapsed |