Invention Grant
- Patent Title: Quantity control valve and high-pressure pump with quantity control valve
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Application No.: US14367294Application Date: 2012-11-15
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Publication No.: US09791064B2Publication Date: 2017-10-17
- Inventor: Rainer Wilms , Matthias Maess , Dominik Brunner
- Applicant: Robert Bosch GmbH
- Applicant Address: DE Stuttgart
- Assignee: Robert Bosch GmbH
- Current Assignee: Robert Bosch GmbH
- Current Assignee Address: DE Stuttgart
- Agency: Maginot, Moore & Beck LLP
- Priority: DE102011089288 20111220
- International Application: PCT/EP2012/072673 WO 20121115
- International Announcement: WO2013/092019 WO 20130627
- Main IPC: F16K31/06
- IPC: F16K31/06 ; F02M59/36

Abstract:
A quantity control valve comprises a valve needle configured to move in an axial direction, a damping chamber having a wall, and a valve element delimiting the damping chamber. The valve needle is configured to move the valve element in an opening direction. A gap is defined between the wall of the damping chamber and the valve element. The gap has at least one recess and connects the damping chamber to a flow duct.
Public/Granted literature
- US20150047726A1 Quantity Control Valve and High-Pressure Pump with Quantity Control Valve Public/Granted day:2015-02-19
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