Back to results
US 8,556,597 B2Granted
Metering unit
AssigneeBuerkert Werke GmbH
InventorsThomas Hamm, Christoph Hettinger
Life of this patent
Estimating the term…
Abstract
A highly precise and extremely compact metering unit for fluid media has a pump, two valves, and a fluid communication base with two ports, pump and valve channels, and a pump chamber. The pump is mounted on the pump chamber. The pump channels communicate with the pump chamber and the valves. The valve channels communicate with the valves and the ports. The pump and the two valves are arranged one beside the other on the same side of the fluid communication base.
Claims16
A metering unit comprising:
- a pump;
- at least two valves;
- a fluid communication base which is formed with at least two ports, pump channels, valve channels, and a pump chamber;
- and
- wherein:
- the pump is mounted on the pump chamber,
- the pump channels communicate with the pump chamber, and the valves, and the valve channels communicate with the valves and the ports,
- the pump and the valves are arranged adjacent to each other on a common connection face of the fluid communication base,
- depressions and conduits defining all pump channels and valve channels being exclusively formed in the fluid communication base, and
- sections of the pump channels and of the valve channels extending in the fluid communication base on a side opposite said common connection face, and being closed by a sealing plate and an end plate.
7 more elements
A metering unit comprising:
- a pump;
- at least two valves;
- a fluid communication base which is formed with at least two ports, pump channels, valve channels, and a pump chamber;
- control electronics;
- and
- a cover;
- wherein:
- the pump channels communicate with the pump chamber;
- and the valves and the valve channels communicate with the valves and the ports,
- the pump and the valves are arranged adjacent to each other on a common connection face of the fluid communication base,
- depressions and conduits defining all pump channels and valve channels being exclusively formed in the fluid communication base, and
- wherein the pump, the valves, and the control electronics are housed inside the cover, the cover being firmly connected with the fluid communication base.
9 more elements
Dependencies are inferred from the claim text.