FIELD: pandemics, applicable for vehicle door opening. SUBSTANCE: the construction has a drive of devices providing for automatic opening of door leaves at pinching of a passenger, as well as for giving a sound signal to the driver at an urgent opening of the doors directly from the passenger saloon. The drive is provided with a means of pressure monitoring in the cavity of the pneumatic motor for door closing, made in the form of a pressure-sensitive relay. Two openings for communication of the relay control cavities with the working cavities of the pneumatic motor are formed inside the relay body. The opening of the control pressure in the relay is connected to the rod cavity, the other opening - to the piston cavity of the pneumatic motor. The relay electric circuit via the contacts of a microswitch communicates with electropneumatic valve controlling the opening of the vehicle doors. The drive air distributor is provided with a position pickup of the drive of hand duplication for engagement of the pickup pressing-out member with the profiled section of the handle fixed to the rod of the hand duplication drive. The pickup contacts are connected to the sound signal generating circuit on door opening for the vehicle driver. EFFECT: enhanced reliability and safety of operation of the electro-pneumatic drive of vehicle door opening. 2 cl, 4 dwg
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VEHICLE DOOR OPENING ELECTROPNEUMATIC DRIVE | 2004 |
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Authors
Dates
2003-06-20—Published
2002-01-10—Filed