Invention Grant
- Patent Title: Proportional pressure-regulator valve
- Patent Title (中): 比例压力调节阀
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Application No.: US10665046Application Date: 2003-09-17
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Publication No.: US06837477B2Publication Date: 2005-01-04
- Inventor: Karlheinz Mayr , Walter Kill , Thilo Schmidt , Gunter Philipp , Hubert Remmlinger
- Applicant: Karlheinz Mayr , Walter Kill , Thilo Schmidt , Gunter Philipp , Hubert Remmlinger
- Applicant Address: DE Friedrichshafen
- Assignee: ZF Friedrichshafen AG
- Current Assignee: ZF Friedrichshafen AG
- Current Assignee Address: DE Friedrichshafen
- Agency: Davis & Bujold, P.L.L.C.
- Priority: DE10244527 20020925
- Main IPC: F16K31/06
- IPC: F16K31/06 ; G05D16/20 ; F16K31/02

Abstract:
A proportional pressure-regulator valve comprising a load-dependent control step and a method for the load-dependent regulation of a pressure level of a pressure medium with one proportional pressure-regulator valve. The load-dependent control step is obtained with a proportional magnet (1) having at least two gaps (10, 12) for regulating the magnetic force. The size of the gaps (10, 12) can be adjusted independently of each other. While a first gap (!2) is current-dependent regulated, the size of the second gap (10) can be regulated via a pressure force adaptable in proportion to a load requirement in the hydraulic circuit.
Public/Granted literature
- US20040056227A1 Proportional pressure-regulator valve Public/Granted day:2004-03-25
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