EP2715136B1 - Kompressoreinheit - Google Patents

Kompressoreinheit Download PDF

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Publication number
EP2715136B1
EP2715136B1 EP12718223.6A EP12718223A EP2715136B1 EP 2715136 B1 EP2715136 B1 EP 2715136B1 EP 12718223 A EP12718223 A EP 12718223A EP 2715136 B1 EP2715136 B1 EP 2715136B1
Authority
EP
European Patent Office
Prior art keywords
pressure relief
relief valve
compressor unit
compressor
valve
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
Application number
EP12718223.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2715136A2 (de
Inventor
Rainer Detering
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Continental Reifen Deutschland GmbH
Original Assignee
Continental Reifen Deutschland GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Continental Reifen Deutschland GmbH filed Critical Continental Reifen Deutschland GmbH
Publication of EP2715136A2 publication Critical patent/EP2715136A2/de
Application granted granted Critical
Publication of EP2715136B1 publication Critical patent/EP2715136B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/125—Cylinder heads
    • 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
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/10—Adaptations or arrangements of distribution members
    • 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
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/02—Stopping, starting, unloading or idling control
    • F04B49/03—Stopping, starting, unloading or idling control by means of valves
    • 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
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/08—Regulating by delivery pressure

Definitions

  • the invention relates to a compressor unit in a portable compressed air source, which has a reciprocating compressor driven by a thrust crank mechanism or a crank mechanism with a piston oscillating in a cylinder and delimiting a compression space, the cylinder being closed on the output side by a cylinder head with an outlet valve
  • Such compressor units are e.g. B. with or as part of devices for sealing and inflating inflatable objects, in particular for sealing and inflating motor vehicle tires required (breakdown sets).
  • These portable and light devices contain the compressor unit as a pressurized gas source, furthermore have a sealant container for an automatic sealant that can be filled into the inflatable object, a valve and distributor unit for sealant and pressurized gas, and have an inlet line that can be connected to the pressurized gas source and one to the inflatable one Provide the object with connectable outlet pipe.
  • the DE 44 29 097 A1 shows such a compressor unit or a piston compressor with a conventional exhaust valve in the prior art, which is also the only "pressure relief valve" for the interior of the compressor.
  • Such an outlet valve consists of a spring-loaded disk, which covers an outlet bore of the compression chamber in the cylinder and lifts up against the spring when there is appropriate pressure in the compression chamber.
  • this increases the size of devices for sealing and inflating inflatable objects.
  • an enlarged installation space stands in the way of the development trend of making such devices and in particular their compressors as space-saving as possible.
  • the US 2005/191193 A1 discloses a compressor, to the compression space of which a further chamber connects, which contains an outlet valve and a pressure relief valve.
  • the US 5,947,696 discloses a compressor for inflating a car tire with a compression chamber from which two valves, an exhaust valve and a relief valve extend.
  • a pressure relief valve between the distributor unit and the outlet valve can lead to pressure conditions occurring during the pumping of sealant, which leads to an undesirable sealant backflow which makes the compressor unusable.
  • a check valve in the downstream distribution unit between the outlet valve and the tire valve prevents the existing pressure from remaining measurable when the compressor is switched off using the integrated pressure gauge. Accordingly, an additional check valve between the compressor and manometer does not solve the problem satisfactorily.
  • the object of the invention was therefore to provide a pressure relief valve which ensures the limitation of the maximum pressure in the compression chamber while at the same time avoiding sealant backflow and thus increases the service life and reliability of the compressor.
  • the cylinder head has a separate pressure relief valve for the compression chamber which is arranged parallel to the exhaust valve.
  • the pressure relief valve has a pressure relief valve body and / or a pressure relief valve seat made of elastomeric material, preferably rubber.
  • a pressure relief valve body made of elastomeric material a very quickly working valve of low mass can be provided, which can even be designed in such a way that its own elasticity provides sufficient spring force to fix the pressure relief valve body on the pressure relief valve seat until a certain pressure is reached.
  • a pressure relief valve seat made of elastomeric material into which the pressure relief valve body can press, additional elasticity / spring force is easily created.
  • a further advantageous embodiment in this sense is that the pressure relief valve body is spring-loaded, or is spring-loaded in addition to its own elasticity.
  • the pressure relief valve has a check valve with a spring-loaded steel ball as the pressure relief valve body.
  • This is a particularly simple and tried and tested version that can be easily purchased as an accessory.
  • the steel ball valve construction also enables use for metal cylinder heads and allows higher operating temperatures.
  • a further advantageous embodiment consists in that the preload, that is to say the “seat pressure” of the pressure relief valve body on the pressure relief valve seat, is adjustable. In the simplest version, this is done, for example, by an adjusting screw influencing the spring force.
  • the pressure relief valve opening has a diameter between 1 and 5 mm, preferably 1.5 to 3 mm. This makes it easy to influence the design for spring action and the amount of passage when opening.
  • Such a compressor unit is particularly suitable for a device for sealing and inflating inflatable objects, in particular for sealing and inflating motor vehicle tires.
  • the Fig. 1 shows a compressor unit with slider crank mechanism, engine and cylinder head in two views, for a device for sealing and inflating motor vehicle tires.
  • the compressor unit is provided with a pressure relief valve arranged according to the invention.
  • the fast-running compressor unit 1 is driven by a motor 3 via a thrust crank mechanism 2.
  • the cylinder head 4 has various exhaust and connection devices, including a pressure gauge 5, and also forms the exhaust valve for the compression space 8, namely through the tubular exhaust valve housing 6 for the exhaust valve holder 7, with which an elastic exhaust valve body 9 is fixed centrally on the exhaust valve seat 10 is which on cylinder-side end of the housing 6 is formed.
  • the pressure relief valve 11 is designed here as a check valve and has a pressure relief valve body 12 designed as a spring-loaded steel ball.
  • the preload ie the "seat pressure" of the pressure relief valve body 12 on the pressure relief valve seat 14, can be adjusted via the adjusting screw 13 influencing the spring force.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Compressor (AREA)
  • Safety Valves (AREA)
  • Check Valves (AREA)
EP12718223.6A 2011-05-30 2012-05-03 Kompressoreinheit Active EP2715136B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011050714A DE102011050714A1 (de) 2011-05-30 2011-05-30 Kompressoreinheit
PCT/EP2012/058095 WO2012163618A2 (de) 2011-05-30 2012-05-03 Kompressoreinheit

Publications (2)

Publication Number Publication Date
EP2715136A2 EP2715136A2 (de) 2014-04-09
EP2715136B1 true EP2715136B1 (de) 2020-07-08

Family

ID=46025721

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12718223.6A Active EP2715136B1 (de) 2011-05-30 2012-05-03 Kompressoreinheit

Country Status (5)

Country Link
EP (1) EP2715136B1 (zh)
JP (1) JP3195506U (zh)
CN (1) CN204003393U (zh)
DE (1) DE102011050714A1 (zh)
WO (1) WO2012163618A2 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013107850A1 (de) * 2013-07-23 2015-01-29 Continental Reifen Deutschland Gmbh Kompressor mit Druckbegrenzung
DE102014205067A1 (de) * 2014-03-19 2015-09-24 Continental Reifen Deutschland Gmbh Vorrichtung zum Abdichten und Aufpumpen aufblasbarer Gegenstände

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1649297A (en) * 1922-07-06 1927-11-15 Sullivan Machinery Co Compressor
GB1398039A (en) * 1973-05-25 1975-06-18 Vni I Pk I Neftyanogo Mash Vni Pumping units
GB2073827A (en) * 1980-04-10 1981-10-21 Well Men Ind Co Ltd A combined air compressor and vacuum device
EP0806568A2 (en) * 1996-05-07 1997-11-12 Festo KG Dual drive compressor
US5947696A (en) * 1996-07-31 1999-09-07 Hayes Lemmerz International, Inc. Wheel mounted tire pump with a reciprocating piston
WO2004041649A1 (en) * 2002-10-31 2004-05-21 Interdynamics, Inc. Apparatus for sealing, inflating, and repairing tires
EP1650434A2 (de) * 2004-10-19 2006-04-26 ITG Kompressoren GmbH Mehrstufiger Kolbenverdichter mit reduzierter Leistungsaufnahme im Leerlauf
DE102008045730A1 (de) * 2007-09-07 2009-03-19 GM Global Technology Operations, Inc., Detroit Kraftstoffeinspritzpumpe mit geringer Rückflusspulsation
US20090110567A1 (en) * 2007-10-29 2009-04-30 Warn Industries, Inc. Air Compressor
DE102009049094A1 (de) * 2009-10-01 2011-04-07 Alfred Kärcher Gmbh & Co. Kg Pumpe für ein Hochdruckreinigungsgerät

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3104801A (en) * 1963-09-24 Infinite step controlling device for compressors
DE4429097A1 (de) 1994-08-17 1996-02-22 Thurner Bayer Druckguss Kolbenverdichter für gasförmige Medien
JP3582284B2 (ja) * 1997-03-13 2004-10-27 株式会社豊田自動織機 冷凍回路及び圧縮機
TWI235790B (en) * 2004-02-29 2005-07-11 Wen-Shan Chou Miniature simple air filling device
US7422422B2 (en) * 2004-08-24 2008-09-09 Tecumseh Products Company Compressor assembly with pressure relief valve fittings

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1649297A (en) * 1922-07-06 1927-11-15 Sullivan Machinery Co Compressor
GB1398039A (en) * 1973-05-25 1975-06-18 Vni I Pk I Neftyanogo Mash Vni Pumping units
GB2073827A (en) * 1980-04-10 1981-10-21 Well Men Ind Co Ltd A combined air compressor and vacuum device
EP0806568A2 (en) * 1996-05-07 1997-11-12 Festo KG Dual drive compressor
US5947696A (en) * 1996-07-31 1999-09-07 Hayes Lemmerz International, Inc. Wheel mounted tire pump with a reciprocating piston
WO2004041649A1 (en) * 2002-10-31 2004-05-21 Interdynamics, Inc. Apparatus for sealing, inflating, and repairing tires
EP1650434A2 (de) * 2004-10-19 2006-04-26 ITG Kompressoren GmbH Mehrstufiger Kolbenverdichter mit reduzierter Leistungsaufnahme im Leerlauf
DE102008045730A1 (de) * 2007-09-07 2009-03-19 GM Global Technology Operations, Inc., Detroit Kraftstoffeinspritzpumpe mit geringer Rückflusspulsation
US20090110567A1 (en) * 2007-10-29 2009-04-30 Warn Industries, Inc. Air Compressor
DE102009049094A1 (de) * 2009-10-01 2011-04-07 Alfred Kärcher Gmbh & Co. Kg Pumpe für ein Hochdruckreinigungsgerät

Also Published As

Publication number Publication date
CN204003393U (zh) 2014-12-10
WO2012163618A3 (de) 2013-07-18
DE102011050714A1 (de) 2012-12-06
JP3195506U (ja) 2015-01-29
EP2715136A2 (de) 2014-04-09
WO2012163618A2 (de) 2012-12-06

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