EP0223025A3 - Volumetric fluid pump working as a pump with rotary pistons - Google Patents

Volumetric fluid pump working as a pump with rotary pistons Download PDF

Info

Publication number
EP0223025A3
EP0223025A3 EP86113596A EP86113596A EP0223025A3 EP 0223025 A3 EP0223025 A3 EP 0223025A3 EP 86113596 A EP86113596 A EP 86113596A EP 86113596 A EP86113596 A EP 86113596A EP 0223025 A3 EP0223025 A3 EP 0223025A3
Authority
EP
European Patent Office
Prior art keywords
pump
rotary pistons
volumetric fluid
working
fluid pump
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
EP86113596A
Other languages
German (de)
Other versions
EP0223025B1 (en
EP0223025A2 (en
Inventor
Renato Vicentini
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0223025A2 publication Critical patent/EP0223025A2/en
Publication of EP0223025A3 publication Critical patent/EP0223025A3/en
Application granted granted Critical
Publication of EP0223025B1 publication Critical patent/EP0223025B1/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
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
    • F04B43/14—Machines, pumps, or pumping installations having flexible working members having peristaltic action having plate-like flexible members
EP86113596A 1985-11-18 1986-10-02 Volumetric fluid pump working as a pump with rotary pistons Expired - Lifetime EP0223025B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8585614A IT1210536B (en) 1985-11-18 1985-11-18 VOLUMETRIC PUMP FOR LIQUID OR GASEOUS FLUIDS.
IT8561485 1985-11-18

Publications (3)

Publication Number Publication Date
EP0223025A2 EP0223025A2 (en) 1987-05-27
EP0223025A3 true EP0223025A3 (en) 1988-02-10
EP0223025B1 EP0223025B1 (en) 1990-12-12

Family

ID=11329005

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86113596A Expired - Lifetime EP0223025B1 (en) 1985-11-18 1986-10-02 Volumetric fluid pump working as a pump with rotary pistons

Country Status (3)

Country Link
EP (1) EP0223025B1 (en)
DE (1) DE3676167D1 (en)
IT (1) IT1210536B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1220167B (en) * 1987-12-18 1990-06-06 Renato Vicentini PERFECT VOLUMETRIC PUMP FOR LIQUID OR GASEOUS FLUIDS
US5193977A (en) * 1991-11-22 1993-03-16 Don Dame Flexible membrane sealless centrifugal pump
EP3056733B1 (en) * 2013-10-09 2023-11-08 Welco Co., Ltd Pump

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH331944A (en) * 1956-02-03 1958-08-15 Clarence Ford Reginald Rotary pump
DE2702123A1 (en) * 1977-01-20 1978-07-27 Hartmut Kowalzik Radial spherical membrane pump - consists of annular pump housing with fixed bearing brackets to accept drive shaft with balls

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH331944A (en) * 1956-02-03 1958-08-15 Clarence Ford Reginald Rotary pump
DE2702123A1 (en) * 1977-01-20 1978-07-27 Hartmut Kowalzik Radial spherical membrane pump - consists of annular pump housing with fixed bearing brackets to accept drive shaft with balls

Also Published As

Publication number Publication date
EP0223025B1 (en) 1990-12-12
IT1210536B (en) 1989-09-14
DE3676167D1 (en) 1991-01-24
EP0223025A2 (en) 1987-05-27
IT8585614A0 (en) 1985-11-18

Similar Documents

Publication Publication Date Title
GB2164096B (en) A positive-displacement rotary pump
GB2166802B (en) A positive-displacement rotary pump
GB2178493B (en) Mechanical seal in a fluid pump
IT1176255B (en) ROTARY PISTON PUMP
EP0202816A3 (en) Stackable rotary vane pump with improved volumetric efficiency
BR8505054A (en) MOTOR WITH FLUID OPERATED OSCILLATING PISTON
GB2178802B (en) Piston assembly for a pump
EP0223025A3 (en) Volumetric fluid pump working as a pump with rotary pistons
AU4699685A (en) Rotating cylinder block fluid pump
GB2181494B (en) Piston dosing pump for a fluid
GB2181493B (en) Piston dosing pump
AU586382B2 (en) Fluid driven reciprocating pump
FR2644581B1 (en) VOLUMETRIC COUNTER WITH ROTARY PISTON
AU8144582A (en) A rotary piston pump
GB2158880B (en) Positive displacement rotary pump
GB8503065D0 (en) Rotating positive displacement pump
EP0482774A3 (en) Positive displacement pump with rotating reciprocating piston
ES542955A0 (en) ROTATIONAL FLUID MANAGEMENT MECHANISM, FOR APPLICATION TO PUMPS AND COMPRESSORS
FR2645915B1 (en) DOUBLE ROTOR-VALVE VOLUMETRIC PUMP
GB8925019D0 (en) A rotary fluid pump
DE3561110D1 (en) Hydraulic piston pump for pumping liquids
GB8618515D0 (en) Rotary piston pump
HUT53690A (en) Rolling-ring rotary piston pump
DE3479912D1 (en) A piston pump
IT1189101B (en) PISTON 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): DE FR GB SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

RHK1 Main classification (correction)

Ipc: F04B 43/14

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE FR GB SE

17P Request for examination filed

Effective date: 19880805

17Q First examination report despatched

Effective date: 19881222

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 SE

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

Ref country code: SE

Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY

Effective date: 19901212

Ref country code: GB

Effective date: 19901212

REF Corresponds to:

Ref document number: 3676167

Country of ref document: DE

Date of ref document: 19910124

ET Fr: translation filed
GBV Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed]
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19910902

Year of fee payment: 6

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

Ref country code: FR

Payment date: 19920416

Year of fee payment: 6

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

Ref country code: FR

Effective date: 19930630

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

Ref country code: DE

Effective date: 19930701

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST