KR20050054157A - 전자비례감압밸브 - Google Patents
전자비례감압밸브 Download PDFInfo
- Publication number
- KR20050054157A KR20050054157A KR1020030087492A KR20030087492A KR20050054157A KR 20050054157 A KR20050054157 A KR 20050054157A KR 1020030087492 A KR1020030087492 A KR 1020030087492A KR 20030087492 A KR20030087492 A KR 20030087492A KR 20050054157 A KR20050054157 A KR 20050054157A
- Authority
- KR
- South Korea
- Prior art keywords
- diameter portion
- valve body
- inlet port
- plunger
- port
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/025—Pressure reducing valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/40—Special vehicles
- B60Y2200/41—Construction vehicles, e.g. graders, excavators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
- B66F9/22—Hydraulic devices or systems
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2221—Control of flow rate; Load sensing arrangements
- E02F9/2225—Control of flow rate; Load sensing arrangements using pressure-compensating valves
- E02F9/2228—Control of flow rate; Load sensing arrangements using pressure-compensating valves including an electronic controller
Abstract
Description
Claims (2)
- 대직경부(12a)와 중직경부(12b)와 소직경부(12c) 및 상기 소직경부(12c)와 연통되는 제 1유입포트(14)와 제 2유입포트(16)와 배출포트(18)를 갖는 밸브몸체 (10)와, 상기 소직경부(12c)에 배치되며 상기 제 1유입포트(14)와 제 2유입포트 (16)를 연통시키는 위치와 상기 제 2유입포트(16)와 배출포트(18)를 연통시키는 위치 사이에서 운동하는 스풀(20)과, 인가되는 전류에 의해 상기 밸브몸체(10)를 여자시키는 원통형 코일(40)과, 상기 대직경부(12a)에 운동가능하게 배치되며 상기 밸브몸체(10)의 여자에 따라 상기 스풀(20)을 제 1유입포트(14)와 제 2유입포트 (16)를 연통시키는 방향으로 가압하는 플런저(30)와, 상기 플런저(30)의 운동에 따라 상기 대직경부(12a)에서 발생되는 부압을 해소하는 벤트유로(50)를 구비하는 전자비례감압밸브에 있어서,상기 벤트유로(50)는 상기 중직경부(12b)와 배출포트(18)를 연결하되, 상기 플런저(30)와 이격되는 위치인 중직경부(12b)의 단부와 배출포트(18)를 연결하여 상기 밸브몸체(10)의 비대칭 영역을 최소화한 것을 특징으로 하는 전자비례감압밸브.
- 제 1항에 있어서, 상기 벤트유로(50)는 상기 중직경부(12b)와 배출포트(18)를 사선형태를 이루며 소정각도로 연결하는 것을 특징으로 하는 전자비례감압밸브.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030087492A KR100982692B1 (ko) | 2003-12-04 | 2003-12-04 | 전자비례감압밸브 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030087492A KR100982692B1 (ko) | 2003-12-04 | 2003-12-04 | 전자비례감압밸브 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050054157A true KR20050054157A (ko) | 2005-06-10 |
KR100982692B1 KR100982692B1 (ko) | 2010-09-16 |
Family
ID=37249518
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020030087492A KR100982692B1 (ko) | 2003-12-04 | 2003-12-04 | 전자비례감압밸브 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100982692B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111677914A (zh) * | 2020-06-16 | 2020-09-18 | 陈少同 | 一种液压站节能控制装置 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101110016B1 (ko) | 2011-01-26 | 2012-02-29 | 한국도키멕유공압 주식회사 | 비례 제어 밸브 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5482085A (en) * | 1992-10-05 | 1996-01-09 | Dana Corporation | Pilot pressure sub-assembly for fluid control valve |
KR100308760B1 (ko) * | 1998-08-14 | 2002-08-22 | 만도공조 주식회사 | 솔레노이드밸브 |
KR20010103903A (ko) * | 2000-05-10 | 2001-11-24 | 배길훈 | 파워 스티어링 조향펌프의 유량조절밸브 |
KR20050068696A (ko) * | 2003-12-30 | 2005-07-05 | 주식회사 아셀텍 | 직동전자조작 사방제어밸브 |
-
2003
- 2003-12-04 KR KR1020030087492A patent/KR100982692B1/ko active IP Right Grant
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111677914A (zh) * | 2020-06-16 | 2020-09-18 | 陈少同 | 一种液压站节能控制装置 |
CN111677914B (zh) * | 2020-06-16 | 2022-05-17 | 山东晟焜气动机械有限公司 | 一种液压站节能控制装置 |
Also Published As
Publication number | Publication date |
---|---|
KR100982692B1 (ko) | 2010-09-16 |
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