US10890267B2 - Pressure-limiting valve - Google Patents
Pressure-limiting valve Download PDFInfo
- Publication number
- US10890267B2 US10890267B2 US15/535,780 US201515535780A US10890267B2 US 10890267 B2 US10890267 B2 US 10890267B2 US 201515535780 A US201515535780 A US 201515535780A US 10890267 B2 US10890267 B2 US 10890267B2
- Authority
- US
- United States
- Prior art keywords
- pressure
- spring
- closing element
- receptacle
- valve seat
- 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
Images
Classifications
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/041—Construction of housing; Use of materials therefor of sliding valves cylindrical slide valves
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D5/00—Heat treatments of cast-iron
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/06—Surface hardening
-
- 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
- F16K17/0466—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 with a special seating surface
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
-
- 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
- F16K17/06—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 with special arrangements for adjusting the opening pressure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7738—Pop valves
- Y10T137/774—Pop pressure reactor in inflow to valve
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7758—Pilot or servo controlled
- Y10T137/7762—Fluid pressure type
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Safety Valves (AREA)
Abstract
Description
- 1 Pressure-limiting valve
- 2 Housing
- 4 Receptacle
- 6 Pressure adjustment device
- 8 Reduction piece
- 10 Spring
- 12 Spring plate
- 14 Closing element
- 16 Closing cone
- 18 Guide piston
- 20 Valve seat
- 22 Transition
- 24 Closing direction
- 26 Ring-shaped chamber
- 28 Piston chamber
- 30 Pressure medium chamber
Claims (11)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014225983.5A DE102014225983A1 (en) | 2014-12-16 | 2014-12-16 | Pressure relief valve |
DE102014225983.5 | 2014-12-16 | ||
DE102014225983 | 2014-12-16 | ||
PCT/EP2015/080020 WO2016097000A1 (en) | 2014-12-16 | 2015-12-16 | Pressure-limiting valve |
Publications (2)
Publication Number | Publication Date |
---|---|
US20190093782A1 US20190093782A1 (en) | 2019-03-28 |
US10890267B2 true US10890267B2 (en) | 2021-01-12 |
Family
ID=55024111
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/535,780 Active US10890267B2 (en) | 2014-12-16 | 2015-12-16 | Pressure-limiting valve |
Country Status (6)
Country | Link |
---|---|
US (1) | US10890267B2 (en) |
EP (1) | EP3234426B1 (en) |
CN (1) | CN107002897B (en) |
DE (1) | DE102014225983A1 (en) |
PL (1) | PL3234426T3 (en) |
WO (1) | WO2016097000A1 (en) |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1578046A (en) * | 1924-02-16 | 1926-03-23 | Logan Henry Havelock | Safety valve for hot-water heaters |
US2071749A (en) * | 1936-02-20 | 1937-02-23 | Gen Fire Extinguisher Co | Valve |
US2227629A (en) * | 1937-12-14 | 1941-01-07 | Bliss E W Co | Pressure control valve and the like |
US2256365A (en) * | 1941-04-29 | 1941-09-16 | Foster Engineering Co | Dual relief valve |
EP0698757A2 (en) | 1994-08-23 | 1996-02-28 | Johnson Service Company | Method of batch manufacturing of valves |
DE19644356A1 (en) | 1996-10-25 | 1998-04-30 | Baelz Gmbh Helmut | Hot water and steam valve seat pre=positioned in valve housing |
DE19804752A1 (en) | 1998-02-06 | 1999-08-12 | Mannesmann Rexroth Ag | Seat valve |
CN1740613A (en) | 2004-08-20 | 2006-03-01 | 赫尔穆特巴尔兹股份有限公司 | Regulating fittings |
CN2839690Y (en) | 2005-07-22 | 2006-11-22 | 上海立新液压有限公司 | Superimposed relief valve |
US7255328B2 (en) * | 2004-08-27 | 2007-08-14 | Vetco Gray Inc. | Low friction coatings for dynamically engaging load bearing surfaces |
US20180223879A1 (en) * | 2015-07-28 | 2018-08-09 | Poclain Hydraulics Industrie | Pressure limiting device, in particular for an assist system for vehicles |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5524980A (en) * | 1978-08-14 | 1980-02-22 | Mitsubishi Heavy Ind Ltd | Cast iron and spheroidal graphite cast iron surface hardening |
CN2786395Y (en) * | 2005-04-07 | 2006-06-07 | 王新民 | Special-shaped thin wall valve |
EP2463391A1 (en) * | 2010-12-09 | 2012-06-13 | Perkins Engines Company Limited | Induction hardened component containing a hole which is unhardened. |
CN202612661U (en) * | 2012-01-19 | 2012-12-19 | 新昌县利永达制冷机械有限公司 | Nodular cast iron air-conditioner stop valve |
-
2014
- 2014-12-16 DE DE102014225983.5A patent/DE102014225983A1/en not_active Withdrawn
-
2015
- 2015-12-16 US US15/535,780 patent/US10890267B2/en active Active
- 2015-12-16 PL PL15816434T patent/PL3234426T3/en unknown
- 2015-12-16 WO PCT/EP2015/080020 patent/WO2016097000A1/en active Application Filing
- 2015-12-16 CN CN201580068495.4A patent/CN107002897B/en active Active
- 2015-12-16 EP EP15816434.3A patent/EP3234426B1/en active Active
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1578046A (en) * | 1924-02-16 | 1926-03-23 | Logan Henry Havelock | Safety valve for hot-water heaters |
US2071749A (en) * | 1936-02-20 | 1937-02-23 | Gen Fire Extinguisher Co | Valve |
US2227629A (en) * | 1937-12-14 | 1941-01-07 | Bliss E W Co | Pressure control valve and the like |
US2256365A (en) * | 1941-04-29 | 1941-09-16 | Foster Engineering Co | Dual relief valve |
US5826336A (en) * | 1994-08-23 | 1998-10-27 | Johnson Service Company | Process for the production of series-produced valves used in heating, ventilating and air-conditioning systems |
EP0698757A2 (en) | 1994-08-23 | 1996-02-28 | Johnson Service Company | Method of batch manufacturing of valves |
DE19644356A1 (en) | 1996-10-25 | 1998-04-30 | Baelz Gmbh Helmut | Hot water and steam valve seat pre=positioned in valve housing |
DE19804752A1 (en) | 1998-02-06 | 1999-08-12 | Mannesmann Rexroth Ag | Seat valve |
CN1740613A (en) | 2004-08-20 | 2006-03-01 | 赫尔穆特巴尔兹股份有限公司 | Regulating fittings |
DE102004040359B4 (en) | 2004-08-20 | 2011-06-16 | Helmut Bälz GmbH | control valve |
US7255328B2 (en) * | 2004-08-27 | 2007-08-14 | Vetco Gray Inc. | Low friction coatings for dynamically engaging load bearing surfaces |
CN2839690Y (en) | 2005-07-22 | 2006-11-22 | 上海立新液压有限公司 | Superimposed relief valve |
US20180223879A1 (en) * | 2015-07-28 | 2018-08-09 | Poclain Hydraulics Industrie | Pressure limiting device, in particular for an assist system for vehicles |
Non-Patent Citations (1)
Title |
---|
International Search Report corresponding to PCT Application No. PCT/EP2015/080020, dated Feb. 10, 2017 (German and English language document) (6 pages). |
Also Published As
Publication number | Publication date |
---|---|
DE102014225983A1 (en) | 2016-06-16 |
US20190093782A1 (en) | 2019-03-28 |
CN107002897B (en) | 2021-08-03 |
EP3234426B1 (en) | 2019-06-26 |
PL3234426T3 (en) | 2019-11-29 |
WO2016097000A1 (en) | 2016-06-23 |
EP3234426A1 (en) | 2017-10-25 |
WO2016097000A9 (en) | 2017-03-30 |
CN107002897A (en) | 2017-08-01 |
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Owner name: ROBERT BOSCH GMBH, GERMANY Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:MUEHLOFF, HOLGER;SCHLOEDER, ROBERT;BORN, DIETER;AND OTHERS;SIGNING DATES FROM 20170808 TO 20170825;REEL/FRAME:047050/0238 |
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