Invention Grant
- Patent Title: Solenoid actuated valve with a damping device
- Patent Title (中): 带阻尼装置的电磁阀
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Application No.: US11662164Application Date: 2005-09-09
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Publication No.: US07669832B2Publication Date: 2010-03-02
- Inventor: Hans Kurt Petersen
- Applicant: Hans Kurt Petersen
- Applicant Address: DK Nordborg
- Assignee: Danfoss A/S
- Current Assignee: Danfoss A/S
- Current Assignee Address: DK Nordborg
- Agency: McCormick, Paulding & Huber LLP
- Priority: DK200401373 20040910
- International Application: PCT/DK2005/000574 WO 20050909
- International Announcement: WO2006/026996 WO 20060316
- Main IPC: F16K31/02
- IPC: F16K31/02
Abstract:
The invention provides a solenoid actuated valve with a plunger which moves in a sleeve under influence of a magnetic field from the solenoid and further comprising a damping device for reducing noise and wear caused by the plunger when it bounces against a top part located in the sleeve. The damping device comprises a first part which forms the limit of the travel of the plunger and another part which is allowed to move relative to the first part in a dampened movement. To enable application in a vacuum system, the damping device comprises a conduit which allows evacuation of a chamber confined between one end of the sleeve and the damping device. The invention further provides a damper for a solenoid actuated valve.
Public/Granted literature
- US20080067461A1 Solenoid Actuated Valve with a Damping Device Public/Granted day:2008-03-20
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