Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Pressure control device

A pressure control and fluid technology, applied in the direction of control valves, valve devices, spring devices, etc., to suppress fuel pulsation, prevent abnormal noise, and prevent functional deterioration.

Inactive Publication Date: 2008-10-15
MITSUBA CORP +2
View PDF3 Cites 6 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the specifications that pulsation may occur in the region below 20 (l / h) cannot be directly used in actual vehicles, and improvement is required

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Pressure control device
  • Pressure control device
  • Pressure control device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

Embodiment 2

Embodiment 3

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

A pressure control device in which pulsation is reduced and an occurrence of noise etc. is prevented. A pressure regulator (1) has a housing (11) having a fuel inlet (18), a fuel outlet (19), and a fuel path (14) for communicating the fuel inlet and fuel outlet, a ball (12) placed in the fuel path (14), a seal section (17) having an opening (22) communicating with the fuel inlet (18) and closing the fuel path (14) when an edge (22a) of the opening (22) is in contact with the ball (12), and a valve spring (13) for urging the ball (12) toward the seal section (17). The valve spring (13) is placed inclined relative to a line (N) normal to a cross-section of the opening (22), and valve body pressing force is different depending on a portion of the opening section (22). When the valve is opened, the ball (12) moves positioned to the right side in the figure, and the left side in the figure of the opening (22) is opened.

Description

pressure control device technical field The present invention relates to a pressure control device for adjusting fluid pressure, in particular to a pressure control device for a fuel supply system of an engine. Background technique In fluid supply systems such as fuel supply systems and hydraulic circuits of automobiles, various pressure control devices are used to prevent excessive fluid pressure. As such a pressure control device, a pressure regulator using a diaphragm, a check valve, and the like are known. For example, Japanese Patent Application Laid-Open No. 9-166059 (Patent Document 1) discloses a fuel supply device equipped with a check valve type pressure regulator. In the pressure regulator of Patent Document 1, the spool (sleeve) is held by a compression coil spring. Then, the opening and closing of the valve is controlled by the movement of the spool, and the pressure of the fuel discharged from the fuel supply device (fuel pressure) is adjusted. Also, Japan...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): F16K17/04F02M55/02F02M37/00
CPCF02M37/0029F02M69/54F16K15/044F16K17/0406F16K17/0466F16K2200/305
Inventor 下川真辉鵤木孝夫小野智弘本间文司早坂敦史
Owner MITSUBA CORP
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com