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Pressure regulator

A pressure regulator and pressure technology, applied in fluid pressure control without auxiliary power, machine/engine, charging system, etc., can solve problems such as pressure regulator function interference, system hazards, etc., and achieve the effect of reducing pressure loss

Active Publication Date: 2019-01-22
VTESCO TECH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The pressure regulator is thus disturbed in its function, which can lead to hazards to the system

Method used

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Examples

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Embodiment Construction

[0019] figure 1 The delivery unit 1 in the fuel tank 2 of a motor vehicle is shown. The delivery unit 1 includes an anti-swirl tank 3 in which a fuel pump 4 is arranged. The fuel pump 4 sucks fuel and delivers the fuel to an internal combustion engine of a motor vehicle, not shown, through a feed pipe 5. A filter 6 is arranged in the feed pipe 5. In order to protect the system, especially the feed pipe 5 from excessive pressure, a pressure regulator 7 is integrated into the feed pipe 5.

[0020] in figure 2 A pressure regulator 7 is shown with its housing 8 and cavity 9. The housing 8 has a central opening, which forms the calibration interface 10. When the preset pressure in the feed pipe 5 is exceeded, the closure of the pressure regulator 7 is opened, and the fuel is discharged through the calibration port 10. The cavity 9 has an inflow port 11 and an outflow port 12. The two ports 11, 12 are connected to the feed pipe 5 so that fuel can flow through the pressure regulat...

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PUM

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Abstract

The invention relates to a pressure regulator 7 with a closing part 19. The closing part is disposed between a flow-in port 11 and a calibration port 12, and is closed and opened according to pressure in the flow-in port 11. The pressure regulator 7 is provided with a cavity 9. The flow-in port 11 penetrates through the cavity. The cavity 9 is configured to guide fluid and is provided with a flow-out port 12. A fluid leaves the cavity 9 through the flow-out port according to guidance. The closing part 19 is corresponding to the cavity 9 in a manner that: the fluid can apply pressure to the closing part at least in a guiding zone and the flow-in port 11 and the flow-out port 12 are arranged at a direction perpendicular to the movement direction of the closing part 19.

Description

Technical field [0001] The present invention relates to a pressure regulator with a closure element which is arranged between an inflow interface and a calibration interface and opens and closes according to the pressure in the inflow interface. Background technique [0002] Such a pressure regulator is used as a safety system in a delivery unit installed in a fuel tank of a motor vehicle, and is therefore known. The delivery unit has a fuel pump that delivers fuel from the fuel tank to the internal combustion engine of the motor vehicle through a feed pipe. The pressure regulator acts as a pressure limit for the entire system. Especially at low temperatures, when the filter located outside the fuel tank is blocked by flocculated diesel fuel to feed the internal combustion engine, the pressure regulator opens so that the fuel can flow back into the fuel tank and thereby regenerate system pressure. Usually, the pressure regulator is arranged in the feed pipe by a T-shaped workpi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05D16/04F02M37/04
CPCF02M37/106F02M37/0029F02M37/0058
Inventor 延斯·罗贝尔马丁·诺克曼马库斯·科赫
Owner VTESCO TECH GMBH
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