Hydraulic machine
AssigneeVolvo Construction Equipment AB
InventorsTaerang Jung, Sangmin Gwon, Sangki Bae
Life of this patent
Estimating the term…
Abstract
A hydraulic machine includes: a power source; an assist motor including comprising an inlet port and an outlet port and assisting a torque of the power source; a tank; a collection line which is connected to the inlet port and allows a fluid to flow to the inlet port; a first return line which is connected to the tank and allows the fluid to flow to the tank; a self-priming line which connects the first return line to the inlet port and allows the fluid to flow from the first return line to the inlet port; and an anti-cavitation line which connects the outlet port to the self-priming line and allows the fluid to flow from the outlet port to the self-priming line.
Claims8
A hydraulic machine comprising:
- a power source;
- an assist motor comprising an inlet port and an outlet port and configured to provide torque-assistance for the power source;
- a tank;
- a recovery line connected to the inlet port to allow fluid to flow to the inlet port;
- a first return line connected to the tank to allow fluid to flow to the tank;
- a self-priming line connecting the first return line and the inlet
- an anti-cavitation line connecting the outlet port and the self-priming line and configured to allow fluid to flow from the outlet port to the self-priming line;
- and
- a drain valve provided on the self-priming line between a joint to which the anti-cavitation line is connected and the first return line to allow fluid to flow from the joint to the first return line or prevent fluid from flowing from the joint to the first return line.
Dependencies are inferred from the claim text.