TWIN ENGINE POWER UNITER
First Claim
1. A vehicle, comprising:
- a chassis;
a driveline coupled to the chassis, the driveline including a plurality of tractive elements, wherein the driveline is configured to receive rotational mechanical energy and propel the vehicle;
an accessory coupled to the chassis and configured to receive rotational mechanical energy;
a first driver and a second driver each coupled to the chassis and configured to provide a rotational mechanical energy;
a power transmission device comprising;
a housing coupled to the chassis;
a first input shaft rotatably coupled to the housing and configured to receive the rotational mechanical energy from the first driver;
a second input shaft rotatably coupled to the housing and configured to receive the rotational mechanical energy from the second driver;
a primary output interface rotatably coupled to the housing and coupled to the driveline;
a power takeoff shaft rotatably coupled to the housing, radially aligned with the first input shaft, and coupled to the accessory;
a first clutch configured to selectively rotationally couple the first input shaft to the primary output interface such that at least a portion of the rotational mechanical energy from the first driver passes through the first clutch and the primary output interface to the driveline when the first clutch is engaged; and
a second clutch configured to selectively rotationally couple the first input shaft to the power takeoff shaft such that at least a portion of the rotational mechanical energy from the first driver passes through the second clutch and the power takeoff shaft to the accessory when the second clutch is engaged.
1 Assignment
0 Petitions
Accused Products
Abstract
A vehicle includes a chassis, a driveline and an accessory coupled to the chassis and configured to receive rotational mechanical energy, a first driver and a second driver coupled to the chassis and configured to provide rotational mechanical energy, and a power transmission device. The power transmission device includes a housing coupled to the chassis, a first input shaft configured to receive the rotational mechanical energy from the first driver, a second input shaft configured to receive the rotational mechanical energy from the second driver, a primary output interface coupled to the driveline, a power takeoff shaft radially aligned with the first input shaft and coupled to the accessory, a first clutch configured to selectively rotationally couple the first input shaft to the primary output interface, and a second clutch configured to selectively rotationally couple the first input shaft to the power takeoff shaft.
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Citations
20 Claims
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1. A vehicle, comprising:
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a chassis; a driveline coupled to the chassis, the driveline including a plurality of tractive elements, wherein the driveline is configured to receive rotational mechanical energy and propel the vehicle; an accessory coupled to the chassis and configured to receive rotational mechanical energy; a first driver and a second driver each coupled to the chassis and configured to provide a rotational mechanical energy; a power transmission device comprising; a housing coupled to the chassis; a first input shaft rotatably coupled to the housing and configured to receive the rotational mechanical energy from the first driver; a second input shaft rotatably coupled to the housing and configured to receive the rotational mechanical energy from the second driver; a primary output interface rotatably coupled to the housing and coupled to the driveline; a power takeoff shaft rotatably coupled to the housing, radially aligned with the first input shaft, and coupled to the accessory; a first clutch configured to selectively rotationally couple the first input shaft to the primary output interface such that at least a portion of the rotational mechanical energy from the first driver passes through the first clutch and the primary output interface to the driveline when the first clutch is engaged; and a second clutch configured to selectively rotationally couple the first input shaft to the power takeoff shaft such that at least a portion of the rotational mechanical energy from the first driver passes through the second clutch and the power takeoff shaft to the accessory when the second clutch is engaged. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A power transmission device, comprising:
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a housing; a first input shaft and a second input shaft each rotatably coupled to the housing; a primary output interface rotatably coupled to the housing; a power takeoff shaft rotatably coupled to the housing; a first clutch configured to selectively rotationally couple the first input shaft to the primary output interface such that at least a portion of a rotational mechanical energy input received by the first input shaft passes through the first clutch to the primary output interface when the first clutch is engaged; and a second clutch configured to selectively rotationally couple the first input shaft to the power takeoff shaft such that at least a portion of the rotational mechanical energy input received by the first input shaft passes through the second clutch to the power takeoff shaft when the second clutch is engaged; wherein the primary output interface is directly rotationally coupled to the second input shaft such that at least a portion of a rotational mechanical energy input received by the second input shaft passes to the primary output interface. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. A vehicle, comprising:
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a chassis; a driveline coupled to the chassis, the driveline including a plurality of tractive elements, wherein the driveline is configured to receive mechanical energy and propel the vehicle; a first driver and a second driver each coupled to the chassis; a power transmission device configured to receive mechanical energy from the first driver and the second driver, the power transmission device comprising; a first input interface coupled to the first driver; a second input interface coupled to the second driver; a primary output interface coupled to the driveline; a power takeoff interface; a first clutch configured to selectively rotationally couple the first input interface to the primary output interface; and a second clutch configured to selectively rotationally couple the first input interface to the power takeoff interface; and a controller configured to selectively reconfigure the vehicle between a plurality of different modes of operation, wherein the second input interface is rotationally coupled to the primary output interface in all of the modes of operation; wherein in a first one of the modes of operation, the controller is configured to engage the first clutch and disengage the second clutch, thereby configuring the power transmission device to transfer mechanical energy from the first driver to the driveline; and wherein in a second one of the modes of operation, the controller is configured to engage the second clutch and disengage the first clutch, thereby configuring the power transmission device to transfer mechanical energy from the first driver to the power takeoff interface. - View Dependent Claims (19, 20)
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Specification