ARRANGEMENT FOR CHARGING AN ACCUMULATOR
First Claim
1. An arrangement for charging an accumulator (10) with hydraulic fluid, wherein the accumulator (10) is used in a hydraulic boom suspension system (3) for a lift arm (55) of a vehicle (50), the arrangement comprising a first hydraulic pump (4) arranged to supply hydraulic fluid to a hydraulic cylinder system (2) of the lift arm (55), and a second hydraulic pump (5) arranged to supply hydraulic fluid to a second hydraulic system, characterized in that the second hydraulic pump (5) is further arranged to supply hydraulic fluid for charging the accumulator (10).
1 Assignment
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Accused Products
Abstract
An arrangement for charging an accumulator with hydraulic fluid is provided. The accumulator is used in a hydraulic boom suspension system for a lift arm of a vehicle and the arrangement includes a first hydraulic pump arranged to supply hydraulic fluid to a hydraulic cylinder system of the lift arm, and a second hydraulic pump arranged to supply hydraulic fluid to a second hydraulic system. The second hydraulic pump is further arranged to supply hydraulic fluid for charging the accumulator.
18 Citations
24 Claims
- 1. An arrangement for charging an accumulator (10) with hydraulic fluid, wherein the accumulator (10) is used in a hydraulic boom suspension system (3) for a lift arm (55) of a vehicle (50), the arrangement comprising a first hydraulic pump (4) arranged to supply hydraulic fluid to a hydraulic cylinder system (2) of the lift arm (55), and a second hydraulic pump (5) arranged to supply hydraulic fluid to a second hydraulic system, characterized in that the second hydraulic pump (5) is further arranged to supply hydraulic fluid for charging the accumulator (10).
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13. A method for charging an accumulator with hydraulic fluid, wherein the accumulator is used in a hydraulic boom suspension system for a lift arm of a vehicle, the lift arm being provided with a hydraulic cylinder system, comprising the following steps:
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charging the accumulator to a first pressure when the boom suspension system is inactivated, and charging the accumulator to a second pressure when a control signal indicates that the boom suspension system is to be activated. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 23, 24)
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Specification