Invention Grant
- Patent Title: Device for choking a fluid flow and corresponding piston pump for delivering fluids
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Application No.: US14933850Application Date: 2015-11-05
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Publication No.: US10247176B2Publication Date: 2019-04-02
- Inventor: Stephan Steingass , Oliver Gaertner , Oliver Hennig , Vaclav Kocourek
- 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: DE102014222741 20141106
- Main IPC: F04B1/04
- IPC: F04B1/04 ; F04B11/00 ; B60T8/40 ; F04B53/10

Abstract:
A device for choking a fluid flow, with a pot-like base body, in the base of which a first passage opening is arranged, and a closing body guided axially moveably in the pot-like base body against a spring force of a spring element and having a second passage opening that forms a static choke point with a predefined fixed opening cross section. The closing body in combination with the spring element and the first passage opening forms a dynamic choke point with a dynamic opening cross section that is variably adjustable depending on a pressure difference.
Public/Granted literature
- US20160131121A1 Device for Choking a Fluid Flow and Corresponding Piston Pump for Delivering Fluids Public/Granted day:2016-05-12
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