Back to results
US 12,146,510 B2Granted
Hydrostatic cylinder with gas pressure accumulator
AssigneeRobert Bosch GmbH
InventorsMarc Weigand, Markus Junker
Life of this patent
Estimating the term…
Abstract
A hydrostatic cylinder with a gas pressure accumulator, which is preferably designed as a piston accumulator, and which is arranged concentrically on the outer circumference of the cylinder is disclosed. A gas pressure is produced via a constant pressure source and is limited or is essentially constant in the gas pressure accumulator and also a constant pressure medium pressure is independent of the degree of filling of the gas pressure accumulator.
Claims7
A cylinder assembly, comprising:
- a hydrostatic cylinder defining an outer circumference;
- an annular gas pressure accumulator arranged on the outer circumference of the hydrostatic cylinder;
- and
- a first cylinder flange and a second cylinder flange that are spaced apart from each other,
- wherein the annular gas pressure accumulator defines a gas chamber and a pressure medium chamber,
- wherein the annular gas pressure accumulator includes a resilient or movable separation element that is configured and arranged to separate the gas chamber from the pressure medium chamber,
- wherein the gas chamber is configured to be connected to a constant pressure source,
- wherein the annular gas pressure accumulator is positioned between the first cylinder flange and the second cylinder flange,
- wherein the annular gas pressure accumulator is a low-pressure accumulator,
- wherein the pressure medium chamber has a low-pressure connection,
- wherein the low-pressure connection is arranged or formed on the first cylinder flange,
- wherein the annular gas pressure chamber includes an inlet and a non-return inlet valve,
- wherein the inlet is configured to be connected to the constant pressure source,
- wherein the non-return inlet valve is arranged between the constant pressure source and the inlet,
- wherein the inlet is arranged or formed on the second cylinder flange,
- wherein the annular gas pressure chamber further includes (i) an outlet, and (ii) a non-return outlet valve connected to the outlet,
- wherein the non-return outlet valve is pretensioned by a spring, and
- wherein the outlet is also arranged or formed on the second cylinder flange.
15 more elements
Dependencies are inferred from the claim text.