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US 12,673,648 B2Granted
Hydraulic pump
AssigneeRee Automotive Ltd
InventorsTomer Lippmann, Tomer Schindler, Zohar Goldenstein
Life of this patent
Estimating the term…
Abstract
A hydraulic pump may include: a screw including: an internal tubular cavity, and an internal port in fluid communication with the internal tubular cavity; a nut surrounding a longitudinal portion of the screw; and a cylindrical tube fitting within the internal tubular cavity of the screw, the cylindrical tube having a hollow channel that is in fluid communication with the internal tubular cavity of the screw.
Claims26
A hydraulic pump comprising:
- a screw comprising:
- an internal tubular cavity, and
- an internal port in fluid communication with the internal tubular cavity;
- a nut surrounding a longitudinal portion of the screw;
- a cylindrical tube fitting within the internal tubular cavity of the screw, the cylindrical tube having a hollow channel that is in fluid communication with the internal tubular cavity of the screw;
- and
- a piston assembly positioned within the internal tubular cavity of the screw to control flow of liquid through the internal port, wherein the piston assembly comprises:
- a spring-loaded piston, the spring-loaded piston comprising:
- a shaft positioned and movable within a longitudinal receptacle in the cylindrical tube, and
- a piston head connected to one end of the shaft.
7 more elements
Dependencies are inferred from the claim text.