EP1555435A3 - Dosing pump - Google Patents

Dosing pump Download PDF

Info

Publication number
EP1555435A3
EP1555435A3 EP05000099A EP05000099A EP1555435A3 EP 1555435 A3 EP1555435 A3 EP 1555435A3 EP 05000099 A EP05000099 A EP 05000099A EP 05000099 A EP05000099 A EP 05000099A EP 1555435 A3 EP1555435 A3 EP 1555435A3
Authority
EP
European Patent Office
Prior art keywords
guide sleeve
region
carrier element
longitudinal region
defines
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.)
Granted
Application number
EP05000099A
Other languages
German (de)
French (fr)
Other versions
EP1555435B1 (en
EP1555435A2 (en
Inventor
Stefan Bächner
Oliver Brodbeck
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.)
Eberspaecher Climate Control Systems GmbH and Co KG
Original Assignee
J Eberspaecher GmbH and Co KG
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 J Eberspaecher GmbH and Co KG filed Critical J Eberspaecher GmbH and Co KG
Publication of EP1555435A2 publication Critical patent/EP1555435A2/en
Publication of EP1555435A3 publication Critical patent/EP1555435A3/en
Application granted granted Critical
Publication of EP1555435B1 publication Critical patent/EP1555435B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • F04B53/162—Adaptations of cylinders
    • 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
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • 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
    • F04B7/00—Piston machines or pumps characterised by having positively-driven valving
    • F04B7/04—Piston machines or pumps characterised by having positively-driven valving in which the valving is performed by pistons and cylinders coacting to open and close intake or outlet ports

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Reciprocating Pumps (AREA)

Abstract

Eine Dosierpumpe, insbesondere zum Zuführen von Brennstoff zu einem Fahrzeugheizgerät, umfassend einen Förderkolben (50), welcher zum Fördern von flüssigem Medium hin- und herbewegbar ist, eine den Förderkolben (50) teilweise aufnehmende und zur Hin- und Herbewegung führende Führungshülse (42), wobei die Führungshülse (42) mit einer Innenoberfläche (46) eine Pumpenausstoßkammer (48) begrenzt und mit einer Außenoberfläche (60) eine zu der Pumpenausstoßkammer (48) führende Kanalanordnung (74) begrenzt, wobei die Führungshülse (42) in einem Trägerelement (24) getragen ist und in einem ersten Längenbereich (58) mit ihrer Außenoberfläche (60) im Wesentlichen über den gesamten Umfang an dem Trägerelement (24) anliegt und in einem zweiten Längenbereich (64) mit ihrer Außenoberfläche einen Abstand zu dem Trägerelement (24) aufweist, wobei zwischen dem Trägerelement (24) und der Führungshülse (42) in ihrem zweiten Längenbereich (64) die Kanalanordnung (74) bereitgestellt ist, ist dadurch gekennzeichnet, dass die Führungshülse (42) in ihrem zweiten Längenbereich (64) wenigstens einen Abstützbereich (78, 80, 82, 84) aufweist, mit welchem diese bezüglich des Trägerelements (24) gestützt ist.

Figure imgaf001
A metering pump, in particular for supplying fuel to a vehicle heater, comprising a delivery piston (50) which is reciprocable for conveying liquid medium, a guide sleeve (42) partially receiving and reciprocating the delivery piston (50) wherein the guide sleeve (42) defines, with an inner surface (46), a pump discharge chamber (48) and defines with an outer surface (60) a channel assembly (74) leading to the pump discharge chamber (48), the guide sleeve (42) being in a support member (46). 24) and in a first longitudinal region (58) bears with its outer surface (60) substantially over the entire circumference on the carrier element (24) and in a second longitudinal region (64) with its outer surface at a distance from the carrier element (24). wherein between the carrier element (24) and the guide sleeve (42) in its second length region (64) the channel arrangement (74) berei is set, is characterized in that the guide sleeve (42) in its second longitudinal region (64) at least one support region (78, 80, 82, 84), with which this with respect to the support member (24) is supported.
Figure imgaf001
EP05000099A 2004-01-15 2005-01-04 Dosing pump Expired - Fee Related EP1555435B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004002245A DE102004002245A1 (en) 2004-01-15 2004-01-15 metering
DE102004002245 2004-01-15

Publications (3)

Publication Number Publication Date
EP1555435A2 EP1555435A2 (en) 2005-07-20
EP1555435A3 true EP1555435A3 (en) 2006-01-18
EP1555435B1 EP1555435B1 (en) 2009-04-22

Family

ID=34609576

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05000099A Expired - Fee Related EP1555435B1 (en) 2004-01-15 2005-01-04 Dosing pump

Country Status (3)

Country Link
US (1) US7621726B2 (en)
EP (1) EP1555435B1 (en)
DE (2) DE102004002245A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006044253B3 (en) * 2006-09-16 2008-03-27 Thomas Magnete Gmbh Membrane, for a hydraulic membrane pump for diesel exhaust cleaning, has a recess to define the exact delivery dose volume
DE102006044254B3 (en) * 2006-09-16 2008-03-27 Thomas Magnete Gmbh Membrane pump for supplying and metering out a liquid substance has a supply chamber, a pressurized chamber, a membrane, a plunger operating chamber and a hydraulic membrane driving mechanism
DE102006044255B3 (en) * 2006-09-16 2008-03-27 Thomas Magnete Gmbh Diaphragm pump e.g. for delivering and metering liquid medium, has compartment which can be filled with liquid medium, pressure compartment in which delivery piston and drive piston are accommodated
DE102006044248B3 (en) * 2006-09-16 2008-04-03 Thomas Magnete Gmbh Diaphragm pump i.e. hydraulic driven diaphragm pump, for delivering and metering liquid medium, has piston abutting against bottom surface during movement of piston inside compartment so that piston reaches lower dead point
DE102006044252B3 (en) * 2006-09-16 2008-02-28 Thomas Magnete Gmbh Diaphragm pump for delivery and dosing fluid, particularly fluid medium, has delivery chamber filled with fluid medium, where membrane is separated and mounted between delivery chamber and pressure chamber with piston operated chamber
DE102006044246B4 (en) * 2006-09-16 2009-05-28 Thomas Magnete Gmbh aftertreatment system
DE102009033736A1 (en) 2008-07-21 2010-01-28 Thomas Magnete Gmbh Feeding or dosing pump i.e. reciprocating piston pump, operating method for exhaust gas aftertreatment system of motor vehicle, involves supplying current to solenoid coil for driving drive piston depending on process parameter of fluid
DE102008055609B4 (en) * 2008-11-03 2011-12-29 Thomas Magnete Gmbh reciprocating pump
DE102011107761A1 (en) * 2011-07-15 2013-01-17 Thomas Magnete Gmbh metering
DE102015116783A1 (en) * 2015-10-02 2017-04-06 Eberspächer Climate Control Systems GmbH & Co. KG Metering pump, in particular fuel metering pump for a vehicle heater
DE102015015845A1 (en) * 2015-12-05 2017-06-08 Thomas Magnete Gmbh Piston pump and method of assembly
RU2654808C1 (en) * 2017-05-29 2018-05-22 Евсей Аврумович Кордит Dosage pump
DE202018106533U1 (en) 2018-11-19 2018-11-28 Evsey A. Kordit metering
DE102019218092A1 (en) * 2019-11-22 2021-05-27 Robert Bosch Gmbh Electromagnetic actuator

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20019406U1 (en) * 1999-11-18 2001-01-18 Ateso A S Electromagnetic dosing piston pump
EP1239221A2 (en) * 2001-03-07 2002-09-11 WEBASTO THERMOSYSTEME GmbH Fuel supply apparatus for mobile heating device
WO2004040135A1 (en) * 2002-11-01 2004-05-13 Danfoss A/S A reciprocating liquid pump for delivery of liquid fuel to a domestic burner device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH672354A5 (en) * 1987-05-19 1989-11-15 Cryopump Ag
DE59600061D1 (en) * 1995-03-03 1998-02-05 Cryopump Ag Pump for pumping a fluid containing liquefied gas and device with a pump
US5713723A (en) * 1996-05-17 1998-02-03 Tuthill Corporation Volumetric hand pump

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20019406U1 (en) * 1999-11-18 2001-01-18 Ateso A S Electromagnetic dosing piston pump
EP1239221A2 (en) * 2001-03-07 2002-09-11 WEBASTO THERMOSYSTEME GmbH Fuel supply apparatus for mobile heating device
WO2004040135A1 (en) * 2002-11-01 2004-05-13 Danfoss A/S A reciprocating liquid pump for delivery of liquid fuel to a domestic burner device

Also Published As

Publication number Publication date
US20050158192A1 (en) 2005-07-21
US7621726B2 (en) 2009-11-24
EP1555435B1 (en) 2009-04-22
DE502005007117D1 (en) 2009-06-04
EP1555435A2 (en) 2005-07-20
DE102004002245A1 (en) 2005-08-11

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