Ultra High Pressure Pump With An Alternating Rotation To Linear Displacement Mechanism
Patent No: 9212657 (USA)
A high pressure pump including a linear actuator comprising a servo motor to axially rotate a hollow rotor shaft in alternating directions, the servo motor having a stator positioned co-axially around the hollow rotor shaft with an interior of the rotor shaft being co-axially coupled to a drive member to convert axial rotation into reciprocal displacement, the drive member being constrained against linear movement and supporting a shaft. At least one piston is coupled to the shaft and the piston is arranged within a cylinder to define a pumping chamber, whereby alternating rotation of the rotor shaft causes reciprocal linear displacement of the piston to pressurize fluid in the pumping chamber. A drive mechanism includes a controller coupled to a servo motor and an encoder to measure movement of the hollow rotor or output shaft and send a feedback signal proportional to the movement to the controller.
Ultra High Pressure Pump With An Alternating Rotation To Linear Displacement Drive Mechanism
Patent No: ZL200980109183.8 (CHINA)
Improved Waterjet Cutting Machine (Bevel Cutting Head)
Patent No: 8540552 (USA)
A profile cutting apparatus comprising: a cutting head supporting a nozzle through which a cutting medium passes, and at least two drives that drive the cutting head to tilt relative to a vertical axis while driving the cutting head to rotate about the vertical axis, wherein the tilt of the cutting head is achieved by the relative difference in motion between the two drives.patent-1
Ultra High Pressure Pump
Patent No: ZL201180043372.7 (CHINA)
UHP 2 China
Improved Waterjet Cutting Machine (Bevel Cutting Head)
Patent No: 2136966 (EU)
Ultra High Pressure Pump (Electric Servo Pump)
Patent/App No: PCT/AU2011/001171 (AUS)
An ultra high pressure pump comprising a servo motor coupled to a piston having a head arranged within a cylinder to define a pumping chamber, whereby the servo motor rotation causes reciprocal displacement of the piston to pressurize fluid in the pumping chamber to pressures greater than 50,000 psi, the servo motor having a feedback loop coupled to a computer, the feedback loop including a pressure feedback signal to control the pump pressure in real time.
Linear Actuator (Electric Servo Pump)
Patent/App No: 2014900631 (AUS)
A linear actuator comprising a motor adapted to axially rotate a rotor shaft in alternating directions, the motor having a stator positioned co-axially around the rotor shaft with the rotor shaft being co-axially coupled to a drive mechanism to convert axial rotation of the rotor shaft into reciprocal displacement of the drive mechanism, the drive mechanism having opposed ends, one end coupled to a piston arranged within a cylinder to define a pumping chamber between the piston and the cylinder, wherein alternating rotation of the rotor shaft causes reciprocal linear displacement of the piston within the pumping chamber, and the linear displacement of the drive mechanism operates a lubrication system within the linear actuator.EL pump assembly