Pneumatic Differential Engine
崎岖的, robust actuator consists of two opposed cylinders of different diameters with pistons connected by a rack. Operation is controlled by applying air to – or venting air from – the larger cylinder.
Most Vapor bus door actuators are delivered as baseplate assemblies. The baseplate combines the actuator, 链接, 和 door suspension into a single pre-assembled unit that mounts directly to the bus structure above the door opening. The baseplate assemblies incorporate a 链接 that converts rotary motion from the actuator to linear motion of the 链接 rod 和 back to rotary motion of the door shaft.
- Air metering screws for door speed adjustments
- Requires air supply pressure between 90 和 120 psi
- Maximum velocity 和 minimum force in the mid-point of its range of motion
- Maximum force 和 minimum speed at the extremes of its motion
For front or rear door applications
Exceeds all North American requirements
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Wabtec Bus Solutions
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