Hydraulic accumulator comprising a position indicator

Details Hydraulic accumulator comprising a position indicator Hydraulic accumulator comprising a position indicator

2007-06-26

2007-06-26

Brinson, Patrick F. (Department: 3754)

Pipes and tubular conduits

With pressure compensators

Variable capacity chambers

C138S030000, C138S026000, C073S744000

Reexamination Certificate

active

10548469

ABSTRACT:
A hydraulic accumulator includes an accumulator housing (1) formed of a non-magnetizable material and defining an axial direction of the housing. A separating element (9) can be axially displaced in the accumulator housing (1) and separates two working chambers (5, 7) from each other in the accumulator housing (1). A field-generating magnetic configuration (29) is arranged on the separating element. A series of magnetic field sensors (35) are arranged on the outer side of the accumulator housing (1), extend along the path of the axial movement of the separating element (9) and react to the field of the magnetic configuration (29) on the separating element (9) to characterize its position along the series of magnetic field sensors (35).

REFERENCES:
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patent: 4608870 (1986-09-01), Huber et al.
patent: 4754648 (1988-07-01), Byrd et al.
patent: 4755636 (1988-07-01), Akio
patent: 3411367 (1985-10-01), None
patent: 3910691 (1990-10-01), None
patent: 101 43 675 (2003-02-01), None

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