VEHICLE WITH PRIMARY AND SECONDARY AIR SYSTEM CONTROL FOR ELECTRIC POWER TAKE OFF CAPABILITY
First Claim
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1. A vehicle, comprising:
- an internal combustion engine;
an electric traction motor which may be back driven to generate electricity;
a power take off application;
a pneumatic supply system including compressed air storage and a compressor connected for operation to the internal combustion engine;
pneumatic applications which may be selectively connected to receive air under pressure from the pneumatic supply system; and
a controller responsive to actuation of the power take off application supported by the electric traction motor for suspending supply of air under pressure to selected pneumatic components from the pneumatic supply system.
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Abstract
Operation of selected pneumatic components on an electric hybrid truck is suspended during operation of electrical power take off applications installed on the truck. By suspending operation of the air suspension periods of operation of the truck'"'"'s thermal engine to support the truck'"'"'s air compressor system are reduced sparing fuel.
19 Citations
9 Claims
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1. A vehicle, comprising:
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an internal combustion engine; an electric traction motor which may be back driven to generate electricity; a power take off application; a pneumatic supply system including compressed air storage and a compressor connected for operation to the internal combustion engine; pneumatic applications which may be selectively connected to receive air under pressure from the pneumatic supply system; and a controller responsive to actuation of the power take off application supported by the electric traction motor for suspending supply of air under pressure to selected pneumatic components from the pneumatic supply system. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A vehicle comprising:
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an electric traction motor; an internal combustion engine; a power take off application; a pneumatic system including compressed air storage and a compressor connected for operation to the internal combustion engine; pneumatic components which are connected to receive compressed air from the pneumatic system including a pneumatic coupling element for engaging the power take application to one of the internal combustion engine and the electric traction motor; and a controller for suspending discharge of compressed air from the pneumatic system to selected pneumatic components in response to operation of the pneumatic coupling element and the electric traction motor to support the power take off application. - View Dependent Claims (8, 9)
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Specification