Piston pump device
AssigneeMadela Holding AG
InventorsManuel Ebert, David Imboden, Ivo Ramella
Life of this patent
Estimating the term…
Abstract
A piston pump device has a support unit, a pump cylinder, and a pump piston arranged in the pump cylinder. The pump cylinder has a longitudinal center axis, and a cylinder bottom arranged perpendicular to the longitudinal center axis. The pump piston is movable relative to the cylinder bottom, and the pump cylinder is secured on the support unit by a securing unit. The securing unit has a leaf spring, which permits a pivoting movement of the longitudinal center axis of the pump cylinder relative to the support unit. The piston pump device is wear-resistant and runs quietly. When used as a suction pump, the piston pump device additionally permits a controllable air flow until the pump comes to a stop.
Claims17
A piston pump device with a support unit, a pump cylinder, and a pump piston arranged in the pump cylinder, the pump cylinder having a longitudinal center axis, and a cylinder bottom arranged perpendicular to the longitudinal center axis, the pump piston being movable relative to the cylinder bottom, and the pump cylinder being secured on the support unit by a securing unit, wherein the securing unit has a leaf spring, which permits a pivoting movement of the longitudinal center axis of the pump cylinder relative to the support unit, wherein the securing unit has a cylinder-side clamping device and a support-side clamping device, wherein the leaf spring has a first end and a second end, and wherein the first end is clamped in the cylinder-side clamping device and the second end is clamped in the support-side clamping device.
A suction pump comprising:
- a piston pump device having a support unit;
- a pump cylinder having a longitudinal center axis and a cylinder bottom arranged perpendicular to the longitudinal center axis;
- a pump piston arranged in the pump cylinder, the piston being moveable relative to the cylinder bottom;
- a securing unit for securing the pump cylinder on the support unit;
- a crankshaft for moving the pump piston;
- a motor for driving the crankshaft;
- and
- a gear mechanism connecting the motor and the crankshaft, the gear mechanism being a sing-stage gear;
- wherein the securing unit has a leaf spring which permits a pivoting movement of the longitudinal center axis of the pump cylinder relative to the support unit, wherein the securing unit has a cylinder-side clamping device and a support-side clamping device, wherein the lead spring has a first end and a second end, and wherein the first end is clamped in the cylinder-side clamping device and the second end is clamped in the support-side clamping device.
A piston pump device with a support unit, a pump cylinder, and a pump piston arranged in the pump cylinder, the pump cylinder having a longitudinal center axis, and a cylinder bottom arranged perpendicular to the longitudinal center axis, the pump piston being movable relative to the cylinder bottom, and the pump cylinder being secured on the support unit by a securing unit, wherein the securing unit has a leaf spring, which permits a pivoting movement of the longitudinal center axis of the pump cylinder relative to the support unit, the piston pump device further comprising a cylinder-side first securing element formed in one piece with the pump cylinder or welded onto the pump cylinder, or cast therein, and wherein the cylinder-side first securing element is a block-shaped metal piece.
A piston pump device with a support unit, a pump cylinder, and a pump piston arranged in the pump cylinder, the pump cylinder having a longitudinal center axis, and a cylinder bottom arranged perpendicular to the longitudinal center axis, the pump piston being movable relative to the cylinder bottom, and the pump cylinder being secured on the support unit by a securing unit, wherein the securing unit has a leaf spring, which permits a pivoting movement of the longitudinal center axis of the pump cylinder relative to the support unit, the piston pump device further comprising two pairs consisting of a pump cylinder a piston and a securing unit, and wherein the longitudinal center axis of the pump cylinder extend parallel to each other in the undeflected state of the pump cylinders.
Dependencies are inferred from the claim text.