KR100936143B1 - 공기압축 기능을 갖는 유압펌프 - Google Patents
공기압축 기능을 갖는 유압펌프 Download PDFInfo
- Publication number
- KR100936143B1 KR100936143B1 KR1020080024778A KR20080024778A KR100936143B1 KR 100936143 B1 KR100936143 B1 KR 100936143B1 KR 1020080024778 A KR1020080024778 A KR 1020080024778A KR 20080024778 A KR20080024778 A KR 20080024778A KR 100936143 B1 KR100936143 B1 KR 100936143B1
- Authority
- KR
- South Korea
- Prior art keywords
- chamber
- spool
- operating
- piston
- plunger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
- F15B7/06—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/0404—Details or component parts
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
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- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
Description
Claims (5)
- 압력원 연결포트(21)와, 상기 압력원 연결포트(21)와 연통된 스풀작동실(22)과, 상기 스풀작동실(22)의 양쪽에 각기 구비된 피스톤 작동실(23A,23B)과, 상기 스풀작동실(22)에는 상기 압력원 연결포트(21)와 연통된 P챔버와 P챔버의 좌,우측에 각기 A,B챔버가 형성되고, 상기 A,B챔버와 상기 피스톤 작동실(23A,23B)을 각기 연결하는 A,B포트관로(24A,24B)를 포함하는 밸브몸체(20)와;상기 스풀작동실(22)에 설치되어 절환 이동 위치에 따라 P챔버를 A챔버 또는 B챔버(B)에 연통시키는 스풀(30)과;상기 스풀(30)에 삽입됨과 동시에 상기 밸브몸체(20)에 직선 운동가능하게 지지되고, 상기 스풀(30)을 절환 이송시키는 스풀이송용 파이롯트관로(40a,40a')를 갖는 작동축(40)과;상기 밸브몸체(20)의 양단에 각기 결합되고, 플런저 작동실(51a,51b)과 상기 플런저 작동실(51a,51b)과 각기 연통된 고압 흡,배출구(52a,52a')(52b,52b')와, 상기 피스톤 작동실(23A,23B)에 각기 연통된 저압 흡,배출구(53a,53a')(53b,53b')를 각각 갖는 플런저 블록(50A,50B)과;상기 작동축(40)의 양단에 각기 연결되어 상기 플런저 작동실(51a,51b)에 미끄럼가능하게 삽입되어 있는 플런저(60A,60B)와;상기 피스톤 작동실(23A,23B)에 각기 삽입되어 상기 작동축(40)의 양단에 연결된 피스톤(70A,70B)을 포함한 것을 특징으로 하는 공기압축 기능을 갖는 유압펌 프.
- 제 1항에 있어서,상기 스풀(30)에는 초기 동작을 위해 P챔버의 압유를 A챔버(A) 또는 B챔버(B)로 공급하는 파이롯트 통로(31)가 더 구비되어 있는 것을 특징으로 하는 공기압축 기능을 갖는 유압펌프.
- 제 1항에 있어서,상기 피스톤(70A,70B)에 배력이 작용하도록 상기 A포트관로(24A)와 상기 저압 흡,배출구(53b 또는 53b')가 제1배력라인(100)을 통해 연결되고, 동시에 B포트관로(24B)와 상기 저압 흡,배출구(53a 또는 도 53a')가 제2배력라인(102)을 통해 연결되어 있는 것을 특징으로 하는 공기압축 기능을 갖는 유압펌프.
- 제 1항에 있어서,상기 밸브몸체(20)에는 스풀작동압 보정관로(1,1')가 더 구비되어 있는 것을 특징으로 하는 공기압축 기능을 갖는 유압펌프.
- 제 1항에 있어서,상기 밸브몸체(20)에는 외부밸브작동용 관로연결공(2,2')이 더 구비되어 있는 것을 특징으로 하는 공기압축 기능을 갖는 유압펌프.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020080024778A KR100936143B1 (ko) | 2008-03-18 | 2008-03-18 | 공기압축 기능을 갖는 유압펌프 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020080024778A KR100936143B1 (ko) | 2008-03-18 | 2008-03-18 | 공기압축 기능을 갖는 유압펌프 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20080046141A KR20080046141A (ko) | 2008-05-26 |
| KR100936143B1 true KR100936143B1 (ko) | 2010-01-12 |
Family
ID=39663237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020080024778A Expired - Fee Related KR100936143B1 (ko) | 2008-03-18 | 2008-03-18 | 공기압축 기능을 갖는 유압펌프 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100936143B1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101604062B1 (ko) | 2014-10-02 | 2016-03-16 | 주식회사 케이엘티 | 윤활유 공급장치 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9670921B2 (en) * | 2015-09-17 | 2017-06-06 | Monkey Pumps, LLC | Reciprocating drive mechanism with a spool vent |
| US10161396B2 (en) | 2015-09-17 | 2018-12-25 | Monkey Pumps, LLC | Zero emission reciprocating drive pump |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0587379U (ja) * | 1992-04-30 | 1993-11-26 | エスエムシー株式会社 | 安全電磁弁 |
| KR20030030276A (ko) * | 2001-10-09 | 2003-04-18 | 이경희 | 콘트롤 밸브에 의한 공압실린더 제어방법 및 공압실린더용콘트롤 밸브 |
| KR20070035485A (ko) * | 2004-06-12 | 2007-03-30 | 지멘스 악티엔게젤샤프트 | 유압 제한 장치 |
| JP4296306B2 (ja) * | 1998-08-11 | 2009-07-15 | Smc株式会社 | 供給停止弁 |
-
2008
- 2008-03-18 KR KR1020080024778A patent/KR100936143B1/ko not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0587379U (ja) * | 1992-04-30 | 1993-11-26 | エスエムシー株式会社 | 安全電磁弁 |
| JP4296306B2 (ja) * | 1998-08-11 | 2009-07-15 | Smc株式会社 | 供給停止弁 |
| KR20030030276A (ko) * | 2001-10-09 | 2003-04-18 | 이경희 | 콘트롤 밸브에 의한 공압실린더 제어방법 및 공압실린더용콘트롤 밸브 |
| KR20070035485A (ko) * | 2004-06-12 | 2007-03-30 | 지멘스 악티엔게젤샤프트 | 유압 제한 장치 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101604062B1 (ko) | 2014-10-02 | 2016-03-16 | 주식회사 케이엘티 | 윤활유 공급장치 |
| WO2016052872A1 (ko) * | 2014-10-02 | 2016-04-07 | 주식회사 케이엘티 | 윤활유 공급장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20080046141A (ko) | 2008-05-26 |
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