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This Regulation applies to the behaviour of the steering mechanism of motor vehicles of category M1, and vehicles of category N1, with the maximum. ECE UNIFORM PROVISIONS CONCERNING THE APPROVAL OF: VEHICLES WITH REGARD TO STEERING EQUIPMENT Incorporating: Supplement 1. Regulation No 79 of the Economic Commission for Europe of the United Nations (UN/ECE) — Uniform provisions concerning the approval of vehicles with.

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At the time of Type Approval the means implemented to protect against simple unauthorized modification to the operation of the verification means chosen by the manufacturer e. This site uses cookies to improve your browsing experience. Expand all Collapse all. If an energy source failure occurs, service braking performance on the first brake application shall achieve the values given in the table below. The approval number indicates that the approval was granted in accordance with the requirements of Regulation No.

The satisfactory condition of the warning device must be easily verifiable by the driver. Traditionally the major requirement has been that the main steering system contains a positive mechanical link between the steering control, normally the steering wheel, and the road wheels in order to determine the path of the vehicle. Steering equipment with a purely pneumatic transmission; 1.

If the chosen provision selects a partial performance mode of operation under certain fault conditions, then these conditions shall be stated and the resulting limits of effectiveness defined.

In the event of a failure within the energy transmission, with the exception of those parts listed in Paragraph 5. This period must not exceed 10 years counted from the time when production is definitely discontinued.

InterRegs: Regulation No. | ECE – United Nations

Energy supply The same energy supply may be used for the ec equipment and other systems. Alternatively this protection requirement is fulfilled when a secondary means of checking the correct operational status is available. It comprises the electrical wiring and connector and includes the parts for data communication and the electrical energy supply for the trailer control transmission.


Power assisted steering systems 5. EU case law Case law Digital reports Directory of case law. This shall be verified by the following tests: With the towing vehicle and trailer having adopted a steady state turn corresponding to a turning circle radius of 25m see Paragraph 2.

If the chosen provision selects a second back-up means to realise the vehicle control system objective, the principles of the change-over mechanism, the logic and level of redundancy and any built in back-up checking features shall be explained and the resulting limits of back-up effectiveness defined.

wce Production Definitely Discontinued This allows complex systems to automatically change their objectives with a priority which depends on the sensed circumstances. This Annex may also be called, by special paragraphs in this Regulation, for safety related functions which are controlled by electronic system s. Pay securely by credit card and your documents are delivered directly and immediately to your computer as PDF files.

There shall be affixed, conspicuously and in a readily accessible place specified on the approval form, to every vehicle conforming to a vehicle type approved under this Regulation, an international approval mark consisting of:.

ECE regulations: ECE R Supplement 4

The steering control, The steering transmission, E79 steered wheels, The energy supply, if any. Need more search options? This will be taken as the basic reference for the verification process set out in paragraph 4. The cables used to supply the trailer electrical energy shall have a conductor cross-sectional area compatible with the continuous current defined in Paragraph 2.

Identification of Units Each unit shall be clearly and unambiguously identifiable e. Steered wheels The steered wheels shall not be solely the rear wheels. In the case of electrically powered systems subject to Annex 6, this level shall be the worst case situation outlined by the manufacturer in the documentation submitted in connection with Annex 6 and shall take eec account the effects of e.

The r779 approval authority shall verify the existence of satisfactory arrangements for ensuring effective control of the conformity of production as given in paragraph 7 of this Regulation, before type approval is granted.


ANNEX 3 Braking performance for vehicles using the same energy source to supply steering equipment and braking device 1.

In the case of trailers the requirements of paragraphs 5. Steering equipment in which the f79 forces result solely from one or more energy supplies when the equipment is intact, but in which the steering forces can be ecee by the muscular effort of the driver alone if there is a fault in the steering integrated power systemsis also considered to be power assisted steering equipment.

An outline schematic showing these units in combination, shall be provided with both the equipment distribution and the interconnections made clear.

The steering equipment consists of: Ecf comprises one or both of the following functions: After that sce the trailer must fulfill the condition specified in Paragraph 6. Trade name or mark of vehicle The same Contracting Party shall not assign this number to another vehicle type or to the same vehicle type submitted with different steering equipment from that described in the documents required by paragraph 3.

Provisions for trailers 6. Autonomous Steering Systems as defined in paragraph 2.

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It shall be accompanied by the undermentioned e79 in triplicate, and by the following particulars: Any termination of control shall produce a short but distinctive driver warning by a visual signal and either an acoustic signal or by imposing a tactile warning signal on the steering control.

Special Provisions for Trailers 5. Application for approval 4.

Until uniform test procedures have been agreed, the vehicle manufacturer shall provide the technical services with their test procedures and results for transient behaviour of the vehicle in the case of failure.