Failsafing means for an anti-skid system

• US 4,735,461 A
• Filed: 04/21/1987
• Issued: 04/05/1988
• Est. Priority Date: 07/17/1986
• Status: Expired due to Fees

• Current Assignee: Robert Bosch GmbH
• Original Assignee: Robert Bosch GmbH
• Inventors: Schramm, Herbert, Worner, Dieter, Moller, Hubert
• Primary Examiner(s): Butler, Douglas C.
• Application Number:
  US07/040,903
• Time in Patent Office: 350 Days
• Field of Search: 303/7, 303/20, 303/92, 303/111, 303/93, 303/100, 303/102, 303/119, 303/113, 303/91, 188/181 R, 188/181 C, 188/181 A
• US Class Current: 303/7
• CPC Class Codes: B60T 8/96 on speed responsive control means
• CPC Class Codes: Y10S 303/09 Plural processors

Abstract

A failsafing device is proposed for an anti-skid system of a tractor-trailer combination. If the trailer anti-skid system fails at the rear axle, instead of shutting off the entire anti-skid system of the trailer, the anti-skid control at the front axle of the trailer is maintained. '"'"'

Claims

1. A failsafing means for an anti-skid system of a motorized truck vehicle, said truck vehicle comprising a tractor vehicle and a trailer, said tractor vehicle and said trailer each having at least one front and one rear axle, said tractor and trailer each being provided with substantially the same anti-skid system wherein upon a failure of two control channels provided at the at least one rear axle of said trailer control of the front axle of said trailer is shut off as well, said truck vehicle having a device for attenuating yawing moment and producing a signal indicative of presence of a yawing moment, said truck vehicle further having means connected to both said anti-skid systems fo recognition of operation of either said anti-skid system, said means for recognition including an encoding means connected to a switchgear provided in each said anti-skid system, said truck vehicle including further means for processing said signal from the yawing moment attenuation device to allow continued control of the trailer front axle upon said failure of the two control channels at the at least one rear axle of the trailer, whereby the front axle anti-skid system may remain on and effective.

2. A failsafing means as defined by claim 1, further wherein said encloding means comprises a ground encoding of external wiring of said anti-skid system switchgear.