CN111336290B - Safety valve - Google Patents
Safety valve Download PDFInfo
- Publication number
- CN111336290B CN111336290B CN201911310739.1A CN201911310739A CN111336290B CN 111336290 B CN111336290 B CN 111336290B CN 201911310739 A CN201911310739 A CN 201911310739A CN 111336290 B CN111336290 B CN 111336290B
- Authority
- CN
- China
- Prior art keywords
- flow path
- plunger
- piston
- chamber
- oil
- 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.)
- Active
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 14
- 238000004891 communication Methods 0.000 claims description 17
- 238000005192 partition Methods 0.000 claims description 6
- 238000000638 solvent extraction Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 description 4
- 230000000994 depressogenic effect Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
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
- F15B13/024—Pressure relief valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
-
- 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
- F15B2211/50—Pressure control
- F15B2211/52—Pressure control characterised by the type of actuation
- F15B2211/521—Pressure control characterised by the type of actuation mechanically
- F15B2211/522—Pressure control characterised by the type of actuation mechanically actuated by biasing means, e.g. spring-actuated
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Safety Valves (AREA)
Abstract
Description
Claims (2)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2018-0165520 | 2018-12-19 | ||
KR1020180165520A KR102151124B1 (en) | 2018-12-19 | 2018-12-19 | Relief valve apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
CN111336290A CN111336290A (en) | 2020-06-26 |
CN111336290B true CN111336290B (en) | 2022-08-09 |
Family
ID=71180037
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201911310739.1A Active CN111336290B (en) | 2018-12-19 | 2019-12-18 | Safety valve |
Country Status (2)
Country | Link |
---|---|
KR (1) | KR102151124B1 (en) |
CN (1) | CN111336290B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7142602B2 (en) | 2019-04-20 | 2022-09-27 | 川崎重工業株式会社 | relief valve |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5050636A (en) * | 1990-10-17 | 1991-09-24 | Kawasaki Jukogyo Kabushiki Kaisha | Relief valve |
US6142176A (en) * | 1998-06-12 | 2000-11-07 | Sagawa; Toyoaki | Relief valve |
JP2005282699A (en) * | 2004-03-29 | 2005-10-13 | Kawasaki Precision Machinery Ltd | Relief valve device |
CN103477134A (en) * | 2011-06-08 | 2013-12-25 | 川崎重工业株式会社 | Relief valve |
CN105909583A (en) * | 2016-03-02 | 2016-08-31 | 杭州力龙液压有限公司 | Buffer overflow valve and hydraulic system |
CN112534168A (en) * | 2019-04-20 | 2021-03-19 | 川崎重工业株式会社 | Pressure relief valve |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3228566B2 (en) * | 1992-07-30 | 2001-11-12 | カヤバ工業株式会社 | Relief valve |
KR100950571B1 (en) | 2009-02-27 | 2010-04-01 | (주)동우정공 | Relief valve of heavy equipment |
-
2018
- 2018-12-19 KR KR1020180165520A patent/KR102151124B1/en active IP Right Grant
-
2019
- 2019-12-18 CN CN201911310739.1A patent/CN111336290B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5050636A (en) * | 1990-10-17 | 1991-09-24 | Kawasaki Jukogyo Kabushiki Kaisha | Relief valve |
US6142176A (en) * | 1998-06-12 | 2000-11-07 | Sagawa; Toyoaki | Relief valve |
JP2005282699A (en) * | 2004-03-29 | 2005-10-13 | Kawasaki Precision Machinery Ltd | Relief valve device |
CN103477134A (en) * | 2011-06-08 | 2013-12-25 | 川崎重工业株式会社 | Relief valve |
CN105909583A (en) * | 2016-03-02 | 2016-08-31 | 杭州力龙液压有限公司 | Buffer overflow valve and hydraulic system |
CN112534168A (en) * | 2019-04-20 | 2021-03-19 | 川崎重工业株式会社 | Pressure relief valve |
Also Published As
Publication number | Publication date |
---|---|
KR20200076425A (en) | 2020-06-29 |
KR102151124B1 (en) | 2020-09-02 |
CN111336290A (en) | 2020-06-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20210415 Address after: Han Guoqingshangnandao Applicant after: Joint stock company motuole Address before: Seoul special city Applicant before: DOOSAN Corp. |
|
TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address |
Address after: Han Guoqingshangnandao Patentee after: Transmission and Control Solutions Co.,Ltd. Country or region after: Republic of Korea Address before: Han Guoqingshangnandao Patentee before: Joint stock company motuole Country or region before: Republic of Korea |
|
CP03 | Change of name, title or address | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240614 Address after: Republic of Korea Patentee after: Joint stock company motuole Country or region after: Republic of Korea Address before: Han Guoqingshangnandao Patentee before: Transmission and Control Solutions Co.,Ltd. Country or region before: Republic of Korea |
|
TR01 | Transfer of patent right |