EP1106827A3 - Hydraulic pump unit - Google Patents

Hydraulic pump unit Download PDF

Info

Publication number
EP1106827A3
EP1106827A3 EP00890354A EP00890354A EP1106827A3 EP 1106827 A3 EP1106827 A3 EP 1106827A3 EP 00890354 A EP00890354 A EP 00890354A EP 00890354 A EP00890354 A EP 00890354A EP 1106827 A3 EP1106827 A3 EP 1106827A3
Authority
EP
European Patent Office
Prior art keywords
pump
elements
medium
drive shaft
radial piston
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
EP00890354A
Other languages
German (de)
French (fr)
Other versions
EP1106827B1 (en
EP1106827A2 (en
Inventor
Klaus Dipl.-Ing. Stolle
Gernot Techet
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.)
Hoerbiger Automatisierungstechnik Holding GmbH
Original Assignee
Hoerbiger Hydraulik 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 Hoerbiger Hydraulik GmbH filed Critical Hoerbiger Hydraulik GmbH
Publication of EP1106827A2 publication Critical patent/EP1106827A2/en
Publication of EP1106827A3 publication Critical patent/EP1106827A3/en
Application granted granted Critical
Publication of EP1106827B1 publication Critical patent/EP1106827B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F04B23/00—Pumping installations or systems
    • F04B23/02—Pumping installations or systems having reservoirs
    • F04B23/025—Pumping installations or systems having reservoirs the pump being located directly adjacent the reservoir
    • F04B23/026—Pumping installations or systems having reservoirs the pump being located directly adjacent the reservoir a pump-side forming a wall of the reservoir
    • 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
    • F04B23/00—Pumping installations or systems
    • F04B23/04—Combinations of two or more pumps
    • F04B23/08—Combinations of two or more pumps the pumps being of different types
    • F04B23/10—Combinations of two or more pumps the pumps being of different types at least one pump being of the reciprocating positive-displacement type
    • F04B23/103—Combinations of two or more pumps the pumps being of different types at least one pump being of the reciprocating positive-displacement type being a radial piston pump
    • 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
    • F04B23/00—Pumping installations or systems
    • F04B23/04—Combinations of two or more pumps
    • F04B23/08—Combinations of two or more pumps the pumps being of different types
    • F04B23/14—Combinations of two or more pumps the pumps being of different types at least one pump being of the non-positive-displacement type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Reciprocating Pumps (AREA)

Abstract

Eine hydraulische Pumpeneinheit weist eine Radialkolbenpumpe (5) mit mehreren, in einem Pumpengehäuse (1) im wesentlichen sternförmig um eine gemeinsame Antriebswelle (6) angeordneten Pumpenelementen (7) auf, denen jeweils ein vom zu pumpenden Medium betätigtes Einlaß- (8) und Auslaßventil zugeordnet ist. Um auf der Saugseite der Pumpenelemente (7) stets positiven Druck bereitstellen zu können und damit ein Anlaufen beispielsweise auch bei niedrigen Temperaturen zu erleichtern, ist in der Mediumzuführung zu den Einlaßventilen (8) der Radialkolbenpumpe (5) eine beispielsweise nach Art einer Kreiselpumpe ausgebildete Vorpumpe (11) eingeschaltet, die ebenfalls von der gemeinsamen Antriebswelle (6) der Pumpenelemente (7) angetrieben und im gemeinsamen Pumpengehäuse (1) integriert ist, welches gegenüber dem Antriebsmotor (2) auch den Mediumtank (3) trägt, womit sich eine sehr kompakte Konstruktion ergibt.

Figure 00000001
A hydraulic pump unit has a radial piston pump (5) with a plurality of pump elements (7) arranged in a pump housing (1) essentially in a star shape around a common drive shaft (6), each of which has an inlet (8) and outlet valve actuated by the medium to be pumped assigned. In order to always be able to provide positive pressure on the suction side of the pump elements (7) and thus facilitate starting, for example, even at low temperatures, a backing pump designed, for example, in the manner of a centrifugal pump, is in the medium supply to the inlet valves (8) of the radial piston pump (5) (11) switched on, which is also driven by the common drive shaft (6) of the pump elements (7) and is integrated in the common pump housing (1), which also carries the medium tank (3) relative to the drive motor (2), which makes it very compact Construction results.
Figure 00000001
EP00890354A 1999-12-07 2000-11-29 Hydraulic pump unit Expired - Lifetime EP1106827B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0206099A AT412230B (en) 1999-12-07 1999-12-07 HYDRAULIC PUMP UNIT
AT206099 1999-12-07

Publications (3)

Publication Number Publication Date
EP1106827A2 EP1106827A2 (en) 2001-06-13
EP1106827A3 true EP1106827A3 (en) 2002-01-16
EP1106827B1 EP1106827B1 (en) 2005-02-02

Family

ID=3526929

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00890354A Expired - Lifetime EP1106827B1 (en) 1999-12-07 2000-11-29 Hydraulic pump unit

Country Status (3)

Country Link
EP (1) EP1106827B1 (en)
AT (1) AT412230B (en)
DE (1) DE50009410D1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006021682A1 (en) * 2006-05-10 2007-11-15 Jungheinrich Ag hydraulic power unit

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3389660A (en) * 1966-08-15 1968-06-25 Greenlee Bros & Co Pump with pressure relief
FR1537827A (en) * 1967-07-17 1968-08-30 Improvements to hydraulic pumps
US3639087A (en) * 1969-10-29 1972-02-01 Whirlpool Co Solution pump with supercharged suction for absorption air conditioner
US3657971A (en) * 1970-04-21 1972-04-25 Lucas Industries Ltd Radial piston pumps or motors
GB1362140A (en) * 1971-03-26 1974-07-30 Fichtel & Sachs Ag Generator and pump unit for motor vehicles
US4632641A (en) * 1982-08-27 1986-12-30 Zahnradfabrik Friedrichshafen, Ag. Pump arrangement for hydraulic installations

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2620733A (en) * 1946-06-19 1952-12-09 John W Overbeke Hydraulic fluid mechanism
GB1300544A (en) * 1968-12-05 1972-12-20 Lucas Industries Ltd Radial piston pumps or motors
GB1453839A (en) * 1973-04-27 1976-10-27 Lucas Industries Ltd Radial piston hydraulic pump
DE9411024U1 (en) * 1994-07-04 1994-09-01 Hoerbiger Ventilwerke Ag Hydraulic unit
DE19725564C2 (en) 1997-05-27 2001-05-23 Hydraulik Ring Gmbh Radial piston pump
DE19725563A1 (en) 1997-06-17 1998-12-24 Mannesmann Rexroth Ag Radial piston pump
DE19726572A1 (en) 1997-06-23 1998-12-24 Mannesmann Rexroth Ag Radial piston pump with eccentric shaft driving number of feed units
DE19744577A1 (en) 1997-10-09 1999-04-22 Bosch Gmbh Robert Radial piston pump for high pressure fuel supply in motor vehicles

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3389660A (en) * 1966-08-15 1968-06-25 Greenlee Bros & Co Pump with pressure relief
FR1537827A (en) * 1967-07-17 1968-08-30 Improvements to hydraulic pumps
US3639087A (en) * 1969-10-29 1972-02-01 Whirlpool Co Solution pump with supercharged suction for absorption air conditioner
US3657971A (en) * 1970-04-21 1972-04-25 Lucas Industries Ltd Radial piston pumps or motors
GB1362140A (en) * 1971-03-26 1974-07-30 Fichtel & Sachs Ag Generator and pump unit for motor vehicles
US4632641A (en) * 1982-08-27 1986-12-30 Zahnradfabrik Friedrichshafen, Ag. Pump arrangement for hydraulic installations

Also Published As

Publication number Publication date
ATA206099A (en) 2004-04-15
EP1106827B1 (en) 2005-02-02
AT412230B (en) 2004-11-25
EP1106827A2 (en) 2001-06-13
DE50009410D1 (en) 2005-03-10

Similar Documents

Publication Publication Date Title
EP1309070A3 (en) Wet rotor motorpump with protection arrangement against corrosion
EP1267040A3 (en) Gas turbine blade
DE60221595T2 (en) Hydraulic rotary vane motor
EP0984165A3 (en) Pump
DE102006035408B4 (en) Impeller and fluid pump, which has the impeller
EP1085217A3 (en) Pump housing with integrated electronics
EP2016287A1 (en) Rotary piston machine
EP1106827A3 (en) Hydraulic pump unit
EP1101940A3 (en) High pressure fuel pump delivery control by piston deactivation
EP1306553A3 (en) Fuel pump, fuel system and method for operating a fuel system and an internal combustion engine
WO2008058983A1 (en) Side-channel pump
EP1445485A3 (en) Dosing pump for vehicle heating system
EP1770281A3 (en) Compressor for cooling fluid
DE102004041392B4 (en) Thickness profile of a compressor impeller with localized thickening
DE3631408A1 (en) AXIAL PISTON PUMP
EP1319831A3 (en) High pressure fuel pump having integrated vane feed pump
EP1361357A3 (en) Fuel pump, in particular for an internal combustion engine with direct injection
EP0992289A3 (en) Fluid dispenser
EP1500863A3 (en) Pump
EP1083336A3 (en) Moineau pump and connection device
EP1211419A3 (en) Device for pumping fluids, especially fuel
EP1293678A3 (en) Pump impeller with valve function
EP1505301A3 (en) Self-priming centrifugal pump
EP1022457A3 (en) Fuel feed device
EP1396921A3 (en) Drive system

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): DE FR GB IT

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

RIC1 Information provided on ipc code assigned before grant

Free format text: 7F 04B 23/10 A, 7F 04B 23/02 B

17P Request for examination filed

Effective date: 20020624

AKX Designation fees paid

Free format text: DE FR GB IT

17Q First examination report despatched

Effective date: 20030710

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT

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 FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;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: 20050202

Ref country code: GB

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20050202

Ref country code: FR

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

Effective date: 20050202

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: GERMAN

REF Corresponds to:

Ref document number: 50009410

Country of ref document: DE

Date of ref document: 20050310

Kind code of ref document: P

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

Owner name: HOERBIGER AUTOMATISIERUNGSTECHNIK HOLDING GMBH

GBV Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed]

Effective date: 20050202

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

Effective date: 20051103

EN Fr: translation not filed
REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 50009410

Country of ref document: DE

Representative=s name: GRAETTINGER MOEHRING VON POSCHINGER PATENTANWA, DE

REG Reference to a national code

Ref country code: DE

Ref legal event code: R081

Ref document number: 50009410

Country of ref document: DE

Owner name: HOERBIGER AUTOMOTIVE KOMFORTSYSTEME GMBH, DE

Free format text: FORMER OWNER: HOERBIGER AUTOMATISIERUNGSTECHNIK HOLDING GMBH, 86972 ALTENSTADT, DE

Effective date: 20110928

Ref country code: DE

Ref legal event code: R082

Ref document number: 50009410

Country of ref document: DE

Representative=s name: GRAETTINGER MOEHRING VON POSCHINGER PATENTANWA, DE

Effective date: 20110928

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

Ref country code: DE

Payment date: 20180129

Year of fee payment: 18

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 50009410

Country of ref document: DE

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

Ref country code: DE

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

Effective date: 20190601