EP0252296A3 - Piston pump for delivering cryogenic liquid - Google Patents

Piston pump for delivering cryogenic liquid Download PDF

Info

Publication number
EP0252296A3
EP0252296A3 EP87108051A EP87108051A EP0252296A3 EP 0252296 A3 EP0252296 A3 EP 0252296A3 EP 87108051 A EP87108051 A EP 87108051A EP 87108051 A EP87108051 A EP 87108051A EP 0252296 A3 EP0252296 A3 EP 0252296A3
Authority
EP
European Patent Office
Prior art keywords
piston pump
cryogenic liquid
delivering cryogenic
delivering
liquid
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
EP87108051A
Other languages
German (de)
Other versions
EP0252296A2 (en
EP0252296B1 (en
Inventor
Gottfried Schneider
Walter Prof. Dr.-Ing. Peschka
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.)
Deutsches Zentrum fuer Luft und Raumfahrt eV
Original Assignee
Deutsche Forschungs und Versuchsanstalt fuer Luft und Raumfahrt eV DFVLR
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 Deutsche Forschungs und Versuchsanstalt fuer Luft und Raumfahrt eV DFVLR filed Critical Deutsche Forschungs und Versuchsanstalt fuer Luft und Raumfahrt eV DFVLR
Publication of EP0252296A2 publication Critical patent/EP0252296A2/en
Publication of EP0252296A3 publication Critical patent/EP0252296A3/en
Application granted granted Critical
Publication of EP0252296B1 publication Critical patent/EP0252296B1/en
Expired legal-status Critical Current

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
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04B15/06—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts for liquids near their boiling point, e.g. under subnormal pressure
    • F04B15/08—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts for liquids near their boiling point, e.g. under subnormal pressure the liquids having low boiling points
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S277/00—Seal for a joint or juncture
    • Y10S277/931—Seal including temperature responsive feature
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S417/00—Pumps
    • Y10S417/901—Cryogenic pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
EP87108051A 1986-06-28 1987-06-04 Piston pump for delivering cryogenic liquid Expired EP0252296B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863621726 DE3621726A1 (en) 1986-06-28 1986-06-28 PISTON PUMP FOR CONVEYING A CRYOGENIC LIQUID
DE3621726 1986-06-28

Publications (3)

Publication Number Publication Date
EP0252296A2 EP0252296A2 (en) 1988-01-13
EP0252296A3 true EP0252296A3 (en) 1988-08-03
EP0252296B1 EP0252296B1 (en) 1989-11-15

Family

ID=6303928

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87108051A Expired EP0252296B1 (en) 1986-06-28 1987-06-04 Piston pump for delivering cryogenic liquid

Country Status (4)

Country Link
US (1) US4813342A (en)
EP (1) EP0252296B1 (en)
JP (1) JPH0786349B2 (en)
DE (1) DE3621726A1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5343798A (en) * 1992-09-15 1994-09-06 Fastest Inc. Apparatus for gripping and sealing a fluid conduit
US5401406A (en) * 1992-12-11 1995-03-28 Pall Corporation Filter assembly having a filter element and a sealing device
US5628517A (en) * 1993-06-01 1997-05-13 Florida Atlantic University Contracting/expanding self-sealing cryogenic tube seals
CH688919A5 (en) * 1994-04-13 1998-05-29 Cryomec Ag Engine of a piston pump for cryogenic applications.
US6558139B2 (en) 1995-12-04 2003-05-06 Chemical Seal & Packing, Inc. Bearings with hardened rolling elements and polymeric cages for use submerged in very low temperature fluids
US6056520A (en) * 1995-12-04 2000-05-02 Chemical Seal & Packing, Inc. Magnetic drive pump having encased magnets for pumping very low temperature fluids
EP1000245B1 (en) * 1998-05-26 2004-08-25 Caterpillar Inc. Hydraulic system having a variable delivery pump
SE517883C2 (en) * 1998-06-08 2002-07-30 Toyoda Automatic Loom Works Methods of manufacturing a rotor unit, rotor unit for heating a viscous fluid, and heat generator comprising such a rotor unit
DE19915847A1 (en) * 1999-04-08 2000-10-12 Linde Tech Gase Gmbh Pump system for pumping cryogenic liquids
US6397729B1 (en) * 2000-08-14 2002-06-04 Devilbiss Air Power Company High pressure pump having bearing assembly pre-load apparatus
US6779987B2 (en) * 2000-08-14 2004-08-24 Devilbiss Air Power Company Pressure washer having oilless high pressure pump
US6547250B1 (en) * 2000-08-21 2003-04-15 Westport Research Inc. Seal assembly with two sealing mechanisms for providing static and dynamic sealing
US6685193B2 (en) 2001-08-30 2004-02-03 Illinois Tool Works Inc. Self lubricating, non-sealing piston ring for an internal combustion fastener driving tool
US6773017B2 (en) 2002-07-16 2004-08-10 Pittsburgh Cryogenic Services, Inc. Single-piece seal assembly
US20090116979A1 (en) * 2004-06-08 2009-05-07 Grigori Lishanski Piston vibratory pump
US8147226B2 (en) * 2006-02-01 2012-04-03 Black & Decker Inc. Valve assembly for pressure washer pump
US10036383B2 (en) 2015-04-07 2018-07-31 Caterpillar Inc. Pump piston having variable diameter
JP2020180600A (en) 2019-04-26 2020-11-05 株式会社神戸製鋼所 Piston ring, reciprocating compressor, method for selecting piston ring, and method for evaluating life of piston ring

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE854611C (en) * 1942-04-07 1952-11-06 Trier Bros Pistons, especially plungers, with piston rings that are pushed outwards to yield
GB1505229A (en) * 1975-10-01 1978-03-30 Kennametal Inc High pressure piston and method of manufacture
US4208953A (en) * 1976-10-15 1980-06-24 Sandvik Aktiebolag Plunger for compressors
US4226169A (en) * 1978-06-05 1980-10-07 The United States Of America As Represented By The United States Department Of Energy Adjustable expandable cryogenic piston and ring

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1657478A (en) * 1928-01-31 Assig-nob
US1054345A (en) * 1911-08-11 1913-02-25 Martin J Whelan Piston.
US1520173A (en) * 1923-08-07 1924-12-23 John D Carr Pump plunger
US2632678A (en) * 1950-09-08 1953-03-24 Armstrong Siddeley Motors Ltd Sliding seal for liquid oxygen or the like
GB681498A (en) * 1950-09-08 1952-10-22 Armstrong Siddeley Motors Ltd Sliding seals for liquid oxygen or the like
US3015529A (en) * 1959-11-23 1962-01-02 Cardwell Mfg Company Pump plunger construction
US3352213A (en) * 1965-02-17 1967-11-14 Raymond J Karol Expansible reciprocating piston
US3612545A (en) * 1968-06-10 1971-10-12 Duriron Co Restrainer ring seal assembly
GB1324080A (en) * 1969-12-15 1973-07-18 Ici Ltd Pistons
GB1367199A (en) * 1971-06-01 1974-09-18 Uss Eng & Consult Pump piston
US3999768A (en) * 1972-11-01 1976-12-28 Jepsen Robert E Piston ring
US4156584A (en) * 1976-07-19 1979-05-29 Carpenter Technology Corporation Liquid cryogen pump
JPS5756678A (en) * 1980-09-19 1982-04-05 Furusawa Shoichi Piston device of reciprocating pump for super low temperature liquefied gas
US4396362A (en) * 1980-10-31 1983-08-02 Union Carbide Corporation Cryogenic reciprocating pump
JPS584780U (en) * 1981-07-02 1983-01-12 株式会社丸山製作所 reciprocating pump plunger
US4447195A (en) * 1982-02-22 1984-05-08 Air Products And Chemicals, Inc. High pressure helium pump for liquid or supercritical gas
US4578956A (en) * 1983-01-17 1986-04-01 Helix Technology Corporation Cryogenic refrigeration system with linear drive motors

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE854611C (en) * 1942-04-07 1952-11-06 Trier Bros Pistons, especially plungers, with piston rings that are pushed outwards to yield
GB1505229A (en) * 1975-10-01 1978-03-30 Kennametal Inc High pressure piston and method of manufacture
US4208953A (en) * 1976-10-15 1980-06-24 Sandvik Aktiebolag Plunger for compressors
US4226169A (en) * 1978-06-05 1980-10-07 The United States Of America As Represented By The United States Department Of Energy Adjustable expandable cryogenic piston and ring

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, Unexamined Applications, Field M, Band 6, Nr. 130, 16. Juli 1982 The Patent Office Japanese Government page 146 M 143; JP-A-57 056 678 (Shiyouichi) *

Also Published As

Publication number Publication date
EP0252296A2 (en) 1988-01-13
EP0252296B1 (en) 1989-11-15
DE3621726C2 (en) 1988-12-08
US4813342A (en) 1989-03-21
JPS6325380A (en) 1988-02-02
DE3621726A1 (en) 1988-01-14
JPH0786349B2 (en) 1995-09-20

Similar Documents

Publication Publication Date Title
GB8927450D0 (en) Pump for pumping liquid
DE3568952D1 (en) Liquid dispensing pump
EP0252296A3 (en) Piston pump for delivering cryogenic liquid
EP0433079A3 (en) Gas removable pump for liquid
GB8828835D0 (en) Magnetostrictive liquid pump
EP0422871A3 (en) Liquid dispenser pump
GB8702952D0 (en) Fluid pump
JPS57151057A (en) Piston pump for supplying liquid
FR2599112B1 (en) LIQUID DELIVERY VALVE
CS153688A2 (en) Electromagnet-controlled fuel piston pump
EP0430636A3 (en) Gas removable pump for liquid
GB8614478D0 (en) Plunger pump
GB8720995D0 (en) Reciprocating pump unit
GB2226364B (en) Liquid pump
GB2181493B (en) Piston dosing pump
GB8813088D0 (en) Liquid piston i c engine
AP8900131A0 (en) Piston pump
EP0411564A3 (en) Pump for liquids
EP0320061A3 (en) Pump device for low-viscosity liquids
GB8623782D0 (en) Piston dosing pump
GB2190711B (en) Liquid fuel pumping apparatus
GB8812713D0 (en) Piston for use in gas pump
GB8630829D0 (en) Liquid pump
GB8507104D0 (en) Cooling liquid pump
GB8720524D0 (en) Liquid pumps

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): FR GB IT SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

RHK1 Main classification (correction)

Ipc: F04B 15/08

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): FR GB IT SE

17P Request for examination filed

Effective date: 19880826

17Q First examination report despatched

Effective date: 19890224

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): FR GB IT SE

ITF It: translation for a ep patent filed

Owner name: BARZANO' E ZANARDO MILANO S.P.A.

RAP2 Party data changed (patent owner data changed or rights of a patent transferred)

Owner name: DEUTSCHE FORSCHUNGSANSTALT FUER LUFT- UND RAUMFAHR

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
ET Fr: translation filed
RAP2 Party data changed (patent owner data changed or rights of a patent transferred)

Owner name: DEUTSCHE FORSCHUNGSANSTALT FUER LUFT- UND RAUMFAHR

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: GB

Ref legal event code: 732

ITTA It: last paid annual fee
EAL Se: european patent in force in sweden

Ref document number: 87108051.1

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19990607

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19990616

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 19990621

Year of fee payment: 13

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000604

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000605

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20000604

EUG Se: european patent has lapsed

Ref document number: 87108051.1

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20010228

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20050604