1. A vehicle drive system for a vehicle including a first prime mover, a first prime mover driven transmission, a rechargeable power source, and a PTO, the vehicle drive system comprising:
a hydraulic pump in direct or indirect mechanical communication with the PTO;
an electric motor in direct or indirect mechanical communication with the hydraulic pump, wherein the electric motor can receive power from the prime mover driven transmission through the PTO, wherein the hydraulic pump can receive power from the electric motor when the electric motor rotates, the electric motor using power from the rechargeable energy source, or from the prime mover driven transmission through the PTO to rotate.
2. The vehicle drive system of claim 1, wherein the electric motor can provide power to the prime mover driven transmission through the PTO.
3. The electric vehicle drive system of claim 1, wherein the electric motor is driven by the PTO to charge the rechargeable power source while driving the hydraulic pump.
4. The electric vehicle system of claim 1, wherein the hydraulic pump can receive power from the prime mover driven transmission through the PTO or from the electric motor for the hydraulic accumulator.
5. The vehicle drive system of claim 1, wherein the hydraulic motor has a through shaft coupled to be in mechanical communication with the PTO; and wherein the electric motor is coupled to be in mechanical communication with the hydraulic motor, wherein the hydraulic motor is disposed between the PTO and the electric motor.
6. The vehicle drive system of claim 1, wherein the electric motor includes an extended shaft mechanically coupled to the hydraulic pump.
7. The vehicle drive system of claim 1, wherein the electric motor charges the rechargeable power source and the first prime mover powers a hydraulic system.
8. The vehicle drive system of claim 1, wherein the PTO is disconnected from the first prime mover during steady state highway use.
9. The vehicle drive system of claim 1, wherein the system is configured so that the first rechargeable energy source can be charged by any of: the first prime mover, an electrical grid, an auxiliary power source, or regenerative braking.
10. The hybrid vehicle drive system of claim 1, wherein the system is configured so that equipment can be powered during recharging of the first rechargeable energy source by driving the electric motor via the PTO and driving the hydraulic pump for the equipment.
11. A hybrid vehicle drive system for use with a first prime mover and a first transmission driven by the first prime mover, the system comprising:
a second prime mover coupled to a rechargeable energy source;
a component, wherein the first prime mover is configured to provide power through the transmission and the component to operate the second prime mover, and the second prime mover is configured to provide power to the drive shaft through the component; and
an accessory configured to be coupled to the second prime mover, configured so the accessory is operated through the operation of the second prime mover, wherein the accessory is a hydraulic motor and is coupled to a second rechargeable energy source.
12. The system according to claim 11, wherein the component is a power take-off, configured to be engaged and disengaged while the transmission is moving.
13. The system according to claim 11, wherein the second prime mover operates the accessory when the first prime mover is off for idle reduction.
14. The system according to claim 11, wherein the accessory is coupled to a hydraulic accumulator.
15. The system according to claim 11, wherein the accessory is not coupled to the second rechargeable energy source and provides power to equipment.
16. The system according to claim 11, wherein the accessory is an air compressor.
17. A method of operating a hybrid vehicle drive system includes a first prime mover, a prime mover driven transmission, a second prime mover operable to power a drive shaft alone or in combination with the first prime mover, a PTO component operable to transfer power between the transmission and the second prime mover, a first energy source operable to provide power to or be powered by the second prime mover, the method comprising:
powering an accessory through the operation of the second prime mover.
18. The method of claim 17, further comprising: engaging or disengaging the PTO component from the transmission when the portions of the vehicle drive system other than the first prime mover do not require or can be damaged by a connection to the first prime mover.
19. The method of claim 17, further comprising operating the first prime mover to simultaneously provide power to the drive shaft and the second prime mover through the transmission.
20. The method of claim 17, further comprising operating the first prime mover to provide power to the accessory through the operation of the second prime mover when the second prime mover alone does not have sufficient power to operate accessory.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A pushpull door latch assembly for use in a door, comprising:
a handle assembly and a latch cylinder, wherein said latch cylinder has a latch, and wherein said handle assembly includes:
a mounting plate having a pair of sidewalls;
a handle secured between said sidewalls for a push or pull operation;
a stop movably secured between said mounting plate and said handle and configured for limiting the movement of said handle during the push or pull operation; and
a cam assembly operating in response to the push or pull operation, said cam assembly operating said latch so as to unlock said door when said handle is pushed or pulled.
2. The pushpull door latch assembly of claim 1 comprising a shaft secured between said sidewalls, wherein said stop is located on said shaft.
3. The pushpull door latch assembly of claim 2, wherein said stop includes a through-hole configured to receive said shaft.
4. The pushpull door latch assembly of claim 1, wherein said stop includes a bottom surface having a first part and a second part.
5. The pushpull door latch assembly of claim 4, wherein said first part is disposed at a 10\xb0 angle with respect to a longitudinal axis of said mounting plate.
6. The pushpull door latch assembly of claim 4, wherein said second part is disposed at a 5\xb0 angle with respect to longitudinal axis of said mounting plate.
7. The pushpull door latch assembly of claim 1, wherein said stop further includes a ledge protruding from said stop.
8. The pushpull door latch assembly of claim 3, wherein said handle has a bottom generally planar section configured for engaging said ledge during handle operation.
9. The pushpull door latch assembly of claim 1, wherein said cam assembly is disposed on an underside of said mounting plate.
10. The pushpull door latch assembly of claim 1, wherein said handle is configured for engaging said cam assembly during operation.
11. The pushpull door latch assembly of claim 10, wherein said cam assembly includes a cam.
12. The pushpull door latch assembly of claim 11, wherein said cam assembly further includes a screw plate.
13. The pushpull door latch assembly of claim 12, wherein said screw plate is attached to said underside of said mounting plate by at least one pair of screws, each said screw having a circular head.
14. The pushpull door latch assembly of claim 1, wherein said mounting plate includes a central opening configured for alignment with an opening in said latch cylinder.
15. The pushpull door latch assembly of claim 1 comprising a shaft secured between said sidewalls, wherein said sidewalls each have at least one pair of laterally aligned openings.
16. The pushpull door latch assembly of claim 15, wherein one pair of said sidewall openings is configured to receive a pivot pin.
17. The pushpull door latch assembly of claim 16, wherein said handle is disposed between said sidewalls by means of said pivot pin.
18. The pushpull door latch assembly of claim 15, wherein said shaft is configured to be received by one pair of said laterally aligned openings.
19. A pushpull door latch assembly for use in a door, comprising:
a handle assembly and a latch cylinder, wherein said latch cylinder has a latch, and wherein said handle assembly includes:
a mounting plate having a pair of sidewalls;
a handle secured between said sidewalls for a push or pull operation;
a stop having an angled bottom surface configured for toggling with respect to said mounting plate and limiting the movement of said handle during the push or pull operation; and
a cam assembly operating in response to the push or pull operation, said cam assembly operating said latch so as to unlock said door when said handle is pushed or pulled.
20. A pushpull door latch assembly for use in a door, comprising:
a handle assembly and a latch cylinder, wherein said latch cylinder has a latch, and wherein said handle assembly includes:
a mounting plate having a pair of sidewalls;
a handle secured between said sidewalls for a push or pull operation;
a stop movably secured between said mounting plate and said handle and having a backside arranged adjacent to one of said sidewalls and a front side and being configured for limiting the movement of said handle during the push or pull operation, said stop including a ledge portion protruding from said front side; and
a cam assembly operating in response to the push or pull operation, said cam assembly operating said latch so as to unlock said door when said handle is pushed or pulled.