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Electromagnetic pressure valve

  • US 9,568,922 B2
  • Filed: 05/24/2012
  • Issued: 02/14/2017
  • Est. Priority Date: 05/27/2011
  • Status: Active Grant
First Claim
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1. Electromagnetic pressure valve comprising:

  • a magnetic part comprising;

    at least one electrically controllable coil,an armature provided in an armature housing bore, anda core comprising;

    a penetration bore hole andat least one connecting channel, providing fluid communication between the penetration bore hole and at least one of a pressure-free relieving area and a pressure-reduced relieving area formed between the core and a recess in the valve, to reduce transmission of fluid into the armature housing bore via the penetration bore hole; and

    a valve part comprising;

    a feed in fluid communication with a pressurized consumer;

    a return connection in fluid communication with a pressurized oil circuit;

    at least one globe valve seat sealable by a locking part, the at least one globe valve seat disposed between the feed and the return connection; and

    a consumer connection in fluid communication with the pressurized consumer and disposed between the feed and the return connection,wherein the armature interacts with the locking part, via an activation rod operatively disposed through the penetration bore hole of the core and extended between the armature and the locking part.

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