EP0523317A3 - Rotary piston pump - Google Patents

Rotary piston pump Download PDF

Info

Publication number
EP0523317A3
EP0523317A3 EP19920104237 EP92104237A EP0523317A3 EP 0523317 A3 EP0523317 A3 EP 0523317A3 EP 19920104237 EP19920104237 EP 19920104237 EP 92104237 A EP92104237 A EP 92104237A EP 0523317 A3 EP0523317 A3 EP 0523317A3
Authority
EP
European Patent Office
Prior art keywords
piston pump
rotary piston
rotary
pump
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
EP19920104237
Other languages
German (de)
Other versions
EP0523317A2 (en
EP0523317B1 (en
Inventor
Hermann Kraemer
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.)
Lederle GmbH Pumpen und Maschinenfabrik
Original Assignee
Lederle GmbH Pumpen und Maschinenfabrik
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 Lederle GmbH Pumpen und Maschinenfabrik filed Critical Lederle GmbH Pumpen und Maschinenfabrik
Publication of EP0523317A2 publication Critical patent/EP0523317A2/en
Publication of EP0523317A3 publication Critical patent/EP0523317A3/en
Application granted granted Critical
Publication of EP0523317B1 publication Critical patent/EP0523317B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00Rotary-piston machines or pumps
    • F04C2/08Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/126Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0057Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
    • F04C15/0061Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
EP92104237A 1991-05-29 1992-03-12 Rotary piston pump Expired - Lifetime EP0523317B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4117506 1991-05-29
DE4117506A DE4117506A1 (en) 1991-05-29 1991-05-29 CENTRIFUGAL PISTON PUMP

Publications (3)

Publication Number Publication Date
EP0523317A2 EP0523317A2 (en) 1993-01-20
EP0523317A3 true EP0523317A3 (en) 1993-08-04
EP0523317B1 EP0523317B1 (en) 1995-12-27

Family

ID=6432666

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92104237A Expired - Lifetime EP0523317B1 (en) 1991-05-29 1992-03-12 Rotary piston pump

Country Status (2)

Country Link
EP (1) EP0523317B1 (en)
DE (2) DE4117506A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2810348A (en) * 1954-12-08 1957-10-22 Howard T White Motor driven pump
US2931310A (en) * 1957-12-19 1960-04-05 United Shoe Machinery Corp Positive displacement pump
US3146717A (en) * 1963-03-06 1964-09-01 Jr Lewis Tyree Pumping apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2810348A (en) * 1954-12-08 1957-10-22 Howard T White Motor driven pump
US2931310A (en) * 1957-12-19 1960-04-05 United Shoe Machinery Corp Positive displacement pump
US3146717A (en) * 1963-03-06 1964-09-01 Jr Lewis Tyree Pumping apparatus

Also Published As

Publication number Publication date
DE59204807D1 (en) 1996-02-08
EP0523317A2 (en) 1993-01-20
EP0523317B1 (en) 1995-12-27
DE4117506A1 (en) 1992-12-03

Similar Documents

Publication Publication Date Title
GB2273133B (en) Displacement pump
GB2252391B (en) Pistons
EP0560709A3 (en) Rotary piston machine
EP0540067A3 (en) Rotary pump
EP0520286A3 (en) Radial piston pump
AP8900131A0 (en) Piston pump
EP0508079A3 (en) Extruder-gear pump combination
GB9121559D0 (en) Pumps
EP0437962A3 (en) Rotary pump
GB9202083D0 (en) Rotary pump
GB9102410D0 (en) Pumps
GB9115526D0 (en) Rotary piston engine
EP0523317A3 (en) Rotary piston pump
GB9211423D0 (en) Pumps
GB8917480D0 (en) Piston pump
GB9115150D0 (en) Rotary pumps
IL100020A0 (en) Pump
GB2252980B (en) Pistons
GB8919758D0 (en) Rotary piston pump
HUT53690A (en) Rolling-ring rotary piston pump
PL294777A1 (en) Rotary displacement pump
PL289636A1 (en) Rotary piston compressor
PL284052A1 (en) Piston pump
GR910200246U (en) A piston pump
CS96291A3 (en) Fluid-driven pump

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): BE CH DE FR GB IT LI NL

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): BE CH DE FR GB IT LI NL

17P Request for examination filed

Effective date: 19930812

17Q First examination report despatched

Effective date: 19940817

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): BE CH DE FR GB IT LI NL

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 PRE;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.SCRIBED TIME-LIMIT

Effective date: 19951227

Ref country code: NL

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: 19951227

Ref country code: GB

Effective date: 19951227

Ref country code: BE

Effective date: 19951227

Ref country code: FR

Effective date: 19951227

REF Corresponds to:

Ref document number: 59204807

Country of ref document: DE

Date of ref document: 19960208

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

Ref country code: CH

Effective date: 19960331

Ref country code: LI

Effective date: 19960331

EN Fr: translation not filed
NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
GBV Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed]

Effective date: 19951227

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

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

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

Ref country code: DE

Effective date: 19961203

26N No opposition filed