Double-piston assembly, two-stage compressor, and vehicle
AssigneeZhejiang Yaoming Technology Co., Ltd.
InventorsZhaobo QING, Hangfei YU
Life of this patent
Estimating the term…
Abstract
A double-piston assembly includes a piston frame, a first piston, a second piston, a bushing, and a slider. The piston frame has a mounting groove, the first piston and the second piston are connected to each other through the piston frame, the bushing is mounted in the mounting groove, and the bushing has a sliding groove. The sliding groove has a first guide surface and a second guide surface parallel to each other and facing each other in a first direction. The slider is fitted in the sliding groove, and the slider is movable in the sliding groove along a second direction orthogonal to the first direction and guided by the first guide surface and the second guide surface.
Claims20
A double-piston assembly, comprising:
- a piston frame having a mounting groove;
- a first piston and a second piston connected to each other through the piston frame;
- a bushing mounted in the mounting groove, wherein the bushing has a sliding groove, wherein the sliding groove has a first guide surface and a second guide surface parallel to each other and facing each other in a first direction;
- and
- a slider fitted in the sliding groove, wherein the slider is movable in the sliding groove along a second direction orthogonal to the first direction and is guided by the first guide surface and the second guide surface.
A two-stage compressor, comprising:
- a cylinder having a first compression chamber and a second compression chamber;
- a double-piston assembly, comprising:
- a piston frame having a mounting groove;
- a first piston and a second piston connected to each other through the piston frame;
- a bushing mounted in the mounting groove, the bushing having a sliding groove, wherein the sliding groove has a first guide surface and a second guide surface parallel to each other and facing each other in a first direction;
- and
- a slider fitted in the sliding groove, wherein the slider is movable in the sliding groove along a second direction orthogonal to the first direction and is guided by the first guide surface and the second guide surface, the first piston is movably arranged in the cylinder and is configured to compress gas in the first compression chamber, the second piston is movably arranged in the cylinder and configured to compress gas in the second compression chamber, and the first compression chamber is in communication with the second compression chamber through a communicating air passage passing through the piston frame, the first piston and the second piston;
- and
- a driving device connected to the slider and configured to drive the slider to slide in the sliding groove.
A vehicle, comprising:
- a pneumatic device;
- and
- a two-stage compressor,
- wherein the two-stage compressor comprises:
- a cylinder having a first compression chamber and a second compression chamber;
- a double-piston assembly, wherein the double-piston assembly comprises:
- a piston frame having a mounting groove;
- a first piston and a second piston connected to each other through the piston frame;
- a bushing mounted in the mounting groove, wherein the bushing has a sliding groove, wherein the sliding groove has a first guide surface and a second guide surface parallel to each other and facing each other in a first direction;
- and a slider fitted in the sliding groove, wherein the slider is movable in the sliding groove along a second direction orthogonal to the first direction and is guided by the first guide surface and the second guide surface, the first piston is movably arranged in the cylinder and is configured to compress gas in the first compression chamber, the second piston is movably arranged in the cylinder and configured to compress gas in the second compression chamber, and the first compression chamber is in communication with the second compression chamber through a communicating air passage passing through the piston frame, the first piston and the second piston;
- and a driving device connected to the slider and configured to drive the slider to slide in the sliding groove;
- and
- wherein the two-stage compressor is connected to the pneumatic device and configured to supply compressed air to the pneumatic device.
Dependencies are inferred from the claim text.