Battery powered hydraulic tool
View Patent ↗A battery powered hydraulic tool including a frame; a battery connected to the frame; a motor connected to the frame and adapted to be powered by the battery; and a hydraulic pump connected to the motor by a gear reduction transmission. The motor and gear reduction transmission are adapted to output a torque of the least about 160 oz-in with the gear reduction transmission being adapted to provide a gear reduction of between about 8:1 to about 15:1 or less, and the hydraulic pump being adapted to output at least about 6000 psi of pressure or more.
1. A hand-held battery powered hydraulic tool comprising:
a frame;
a hydraulic pump in the frame;
an electric motor connected to the frame and operably coupled to the hydraulic pump to drive the hydraulic pump, wherein the electric motor is adapted to operate with a nominal voltage that is approximately 24 Volt DC or greater; and
a rechargeable battery connected to the frame and coupled to the electric motor, wherein the battery comprises a voltage of at least about 24 Volts.
2. A hand-held battery powered hydraulic tool as in claim 1 further comprising a gear reduction transmission between the pump and the motor.
3. A hand-held battery powered hydraulic tool as in claim 2 wherein the gear reduction transmission is adapted to provide a fixed gear reduction of about 10:1 to about 15:1 and the hydraulic pump is adapted to output at least about 6000 psi of pressure.
4. A hand-held battery powered hydraulic tool as in claim 2 wherein torque output of the motor and the gear reduction transmission is at least about 260 oz-in of torque.
5. A hand-held battery powered hydraulic tool as in claim 2 wherein the gear reduction transmission is adapted to provide a gear reduction of at least about 12:1.
6. A band-held battery powered hydraulic tool as in claim 2 further comprising a ram movably connected to the frame, the ram being moved by hydraulic pressure from the hydraulic pumps, wherein the frame comprises a hydraulic conduit system, and wherein the hydraulic conduit system, the hydraulic pump, the motor and the gear reduction transmission are adapted to move the ram at a speed of at least about 0.007 ft/sec.
7. A hand-held battery powered hydraulic tool as in claim 1 wherein the hydraulic pump is adapted to output at least about 8000 psi of pressure.
8. A battery powered hydraulic tool as in claim 1 herein the hydraulic pump is adapted to output about 8000-10,000 psi of pressure.
9. A hand-held battery powered hydraulic tool as in claim 1 wherein the hydraulic pump comprises a pump piston with a diameter of less than about 0.35 inch.
10. A hand-held battery powered hydraulic tool as in claim 1 further comprising at least one system for protecting the motor from a current spike by preventing a current draw of more than a predetermined amperage.
11. A hand-held battery powered hydraulic tool as in claim 10 wherein the at least one system for protecting the motor from a current spike comprises two systems.
12. A hand-held battery powered hydraulic tool comprising:
a frame;
a hydraulic pump in the frame;
an electric motor connected to the frame and operably coupled to the hydraulic pump to drive the hydraulic pump, wherein the electric motor is adapted to operate at a nominal voltage of about 24 Volt DC or greater; and
a rechargeable battery connected to the frame and coupled to the electric motor, wherein the battery comprises a voltage of at least about 24 Volts.
13. A hand-held battery powered hydraulic tool as in claim 2 wherein the hydraulic pump comprises a pump piston with a diameter of less than about 0.4 in., wherein the hydraulic pump can generate at least about 6000 psi pressure, and wherein the motor and a gear reduction transmission are adapted to generate at least about 160 oz-in of torque.
14. A hand-held battery powered hydraulic tool as in claim 12 wherein the torque output of the motor and a gear reduction transmission between the motor and the pump is about 270-280 oz-in of torque.
15. A hand-held battery powered hydraulic tool as in claim 12 further comprising a gear reduction transmission between the motor and the pump which is adapted to provide a fixed gear reduction of between about 12:1 to about 15:1.
16. A hand-held battery powered hydraulic tool as in claim 12 wherein the hydraulic pump is adapted to output at least 8000 psi of pressure.
17. A hand-held battery powered hydraulic tool as in claim 12 wherein the hydraulic pump is adapted to output about 9000-10,000 psi of pressure.
18. A hand-held battery powered hydraulic tool as in claim 12 further comprising a ram movably connected to the frame, the ram being moved by hydraulic pressure from the hydraulic pump, and wherein the hydraulic fluid conduit, the hydraulic pump, the motor and a gear reduction transmission are adapted to move the ram at a speed of about 0.007 ft/sec or greater.
19. A hand-held battery powered hydraulic tool as claim 12 further comprising at least one system for protecting the motor from a current spike by preventing a current draw of more than a predetermined amperage.
20. A hand-held battery powered hydraulic tool as in claim 19 wherein the at least one system for protecting the motor from a current spike comprises two system.
21. A hand-held battery powered hydraulic tool comprising:
a frame;
a hydraulic pump in the frame;
an electric motor connected to the frame and operably coupled to the hydraulic pump to drive the hydraulic pump, wherein the electric motor is adapted to operate at a nominal voltage of at least 24 Volt DC; and
a rechargeable battery connected to the frame and coupled to the electric motor, wherein the battery comprises a voltage of at least about 24 Volts.
22. A hand-held battery powered hydraulic tool as in claim 21 further comprising a gear reduction transmission between the pump and the motor.
23. A hand-held battery powered hydraulic tool as in claim 22 wherein the gear reduction transmission being adapted to provide a fixed gear reduction of about 10:1 to about 15:1 and the hydraulic pump being adapted to output at least about 6000 psi of pressure.
24. A hand-held battery powered hydraulic tool as in claim 22 wherein torque output of the motor and the gear reduction transmission is at least about 260 oz-in of torque.
25. A hand-held battery powered hydraulic tool as in claim 22 wherein the gear reduction transmission is adapted to provide a fixed gear reduction of at least about 12:1.
26. A hand-held battery powered hydraulic tool as in claim 22 further comprising a ram movably connected to the frame, the raw being moved by hydraulic pressure from the hydraulic pump, wherein the frame comprises a hydraulic conduit system, and wherein the hydraulic conduit system, the hydraulic pump, the motor and the gear reduction transmission are adapted to move the ram at a speed of at least about 0.007 ft/sec.
27. A hand-held battery powered hydraulic tool as in claim 21 wherein the hydraulic pump is adapted to output at least about 8000 psi of pressure.
28. A battery powered hydraulic tool as in claim 21 wherein the hydraulic pump is adapted to output about 8000-10,000 psi of pressure.
29. A hand-held battery powered hydraulic tool as in claim 21 wherein the hydraulic pump comprises a pump piston with a diameter of less than about 0.35 inch.
30. A hand-held battery powered hydraulic tool as in claim 21 further comprising at least one system for protecting the motor from a current spike by preventing a current draw of more than a predetermined amperage.
31. A hand-held battery powered hydraulic tool as in claim 30 wherein the at least one system for protecting the motor from a current spike comprises two systems.