IT961876B - IMPROVEMENT IN MEMBRANE PUMPS - Google Patents

IMPROVEMENT IN MEMBRANE PUMPS

Info

Publication number: IT961876B
Authority: IT; Italy
Prior art keywords: improvement; membrane pumps; pumps; membrane
Prior art date: 1971-08-27

Application number

IT51998/72A

Other languages

Italian (it)

Original Assignee

Kolfertz E

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.)

1971-08-27

Filing date

1972-08-04

Publication date

1973-12-10

1972-08-04 Application filed by Kolfertz E filed Critical Kolfertz E

1973-12-10 Application granted granted Critical

1973-12-10 Publication of IT961876B publication Critical patent/IT961876B/en

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
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
- F04B43/04—Pumps having electric drive
- 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
- F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
- F04B11/0008—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators
- 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
- F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
- F04B45/04—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms
- F04B45/043—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms two or more plate-like pumping flexible members in parallel
- 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
- F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
- F04B45/04—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms
- F04B45/047—Pumps having electric drive

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Reciprocating Pumps (AREA)
Compressor (AREA)

IT51998/72A 1971-08-27 1972-08-04 IMPROVEMENT IN MEMBRANE PUMPS IT961876B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19717132711U DE7132711U (en)	1971-08-27	1971-08-27	DIAPHRAGM PUMP

Publications (1)

Publication Number	Publication Date
IT961876B true IT961876B (en)	1973-12-10

Family

ID=6623501

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT51998/72A IT961876B (en)	1971-08-27	1972-08-04	IMPROVEMENT IN MEMBRANE PUMPS

Country Status (7)

Country	Link
US (1)	US3838944A (en)
JP (2)	JPS4833413A (en)
AU (1)	AU463290B2 (en)
DE (1)	DE7132711U (en)
FR (1)	FR2151876A5 (en)
GB (1)	GB1389869A (en)
IT (1)	IT961876B (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS54101501U (en) *	1977-12-28	1979-07-17
US4877378A (en) *	1985-12-11	1989-10-31	Saggers Michael J	Vibratory diaphragm pumps
DE3724603A1 (en) *	1986-07-24	1988-01-28	Re Con Sa	Diaphragm fuel pump
US4762470A (en) *	1987-09-23	1988-08-09	Wang Chiao Ming	Structure of air pump for fish bowl
JP2764164B2 (en) *	1988-03-25	1998-06-11	パイロットインキ株式会社	Spray equipment
US5137433A (en) *	1990-05-29	1992-08-11	Willinger Bros., Inc.	Aquarium power head with integral muffler
US5232353A (en) *	1992-01-06	1993-08-03	Grant Benton H	Pressurized diaphragm pump and directional flow controller therefor
US5193986A (en) *	1992-01-06	1993-03-16	Grant Manufacturing Corporation	Fluid pump
DE4204682A1 (en) *	1992-02-17	1993-08-19	Frenkel Walter Med App	Dual pump drive reducing vibrations - fixes two vibrating armature membrane pumps together so their armatures work against each other
KR100210224B1 (en) *	1996-07-03	1999-07-15	김성철	Diaphragm pump
US5669762A (en) *	1996-07-25	1997-09-23	Apex Medical Corp.	Sound and pulsation reducing outlet chamber for an air compressor
JP3363775B2 (en) *	1998-02-27	2003-01-08	株式会社冨永樹脂工業所	Air pump
US6485270B2 (en) *	2001-02-22	2002-11-26	Meiko Pet Corporation	Air pump with noise silence arrangement
US7998107B2 (en)	2002-09-24	2011-08-16	Kensey Nash Corporation	Interventional procedure drive and control system
FR2876165B1 (en) *	2004-10-05	2006-12-01	Danfoss Commercial Compressors	COMPRESSOR FOR COMPRESSING FLUID FOR A REFRIGERATION OR AIR CONDITIONING FACILITY
US20070102233A1 (en) *	2005-11-07	2007-05-10	Eiko Electric Products Corp.	Air pumping device with silencing effect for aquarium
AT511095B1 (en) *	2011-05-16	2012-09-15	Piotrowski Jozef	PUMP FOR THE PRODUCTION OF COMPRESSED AIR
CN102817819B (en) *	2011-06-10	2016-06-08	德昌电机(深圳)有限公司	Micro air pump
US9677557B2 (en) *	2015-01-20	2017-06-13	Hao Hsu	Sleeping system
TWI579462B (en) *	2015-10-08	2017-04-21	Apex Medical Corp	Electromagnetic vibration pump
JP2021004551A (en) *	2019-06-25	2021-01-14	セイコーエプソン株式会社	Diaphragm-type compressor, cooling unit, projector, recording device and three-dimensional molding manufacturing method
TWI819657B (en) *	2022-06-14	2023-10-21	雃博股份有限公司	Electromagnetic air pump

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR589713A (en) *	1924-01-22	1925-06-04		Special device for fuel injection and metering in high-speed engine cylinders
US2936041A (en) *	1955-06-10	1960-05-10	Southern Gas Ass	Pulsation dampening apparatus
US2943641A (en) *	1956-01-30	1960-07-05	Richfield Oil Corp	Device for attenuating pulsative flow in gases
US3204619A (en) *	1962-07-02	1965-09-07	American Mach & Foundry	Internal combustion engine
US3255956A (en) *	1965-01-21	1966-06-14	Robertshaw Controls Co	Diaphragm type air pump
US3478958A (en) *	1968-01-11	1969-11-18	Ingersoll Rand Co	Housing for portable machines
HU163005B (en) *	1969-05-12	1973-05-28
DE1938430C3 (en) *	1969-07-29	1974-08-29	Erwin 5650 Solingen Kolfertz	Electric double diaphragm pump, e.g. as an air pump for ventilating aquariums
US3671151A (en) *	1970-05-11	1972-06-20	Miracle Pet Products Inc	Combination aquarium pump and gang valve
JPS4827522U (en) *	1971-08-11	1973-04-03

1971
- 1971-08-27 DE DE19717132711U patent/DE7132711U/en not_active Expired
1972
- 1972-08-04 IT IT51998/72A patent/IT961876B/en active
- 1972-08-10 FR FR7229249A patent/FR2151876A5/fr not_active Expired
- 1972-08-11 GB GB3758372A patent/GB1389869A/en not_active Expired
- 1972-08-15 JP JP47081231A patent/JPS4833413A/ja active Pending
- 1972-08-21 US US00282322A patent/US3838944A/en not_active Expired - Lifetime
- 1972-08-28 AU AU46009/72A patent/AU463290B2/en not_active Expired
1976
- 1976-09-01 JP JP1976116345U patent/JPS548401Y2/ja not_active Expired

Also Published As

Publication number	Publication date
DE7132711U (en)	1972-01-20
JPS548401Y2 (en)	1979-04-18
JPS4833413A (en)	1973-05-10
US3838944A (en)	1974-10-01
GB1389869A (en)	1975-04-09
AU4600972A (en)	1974-03-07
JPS5265911U (en)	1977-05-16
FR2151876A5 (en)	1973-04-20
AU463290B2 (en)	1975-07-24

Publication	Publication Date	Title
IT947924B (en)	1973-05-30	MEMBRANE PUMPS
IT961876B (en)	1973-12-10	IMPROVEMENT IN MEMBRANE PUMPS
BE788703A (en)	1973-01-02	PERISTALTIC PUMP
BE821375A (en)	1975-04-23	MEMBRANE PUMP
IT974293B (en)	1974-06-20	IMPROVEMENT IN PERISTALTIC PUMPS
IT1074633B (en)	1985-04-20	IMPROVEMENT IN PERISTALTIC PUMPS
IT1013411B (en)	1977-03-30	IMPROVEMENT IN ROTEL LE CHAIRS
BE806614A (en)	1974-04-26	CUVELAGE PUMP
IT994387B (en)	1975-10-20	IMPROVEMENT IN ALTERNATIVE PUMPS OF THE MEMBRANE TYPE
IT977190B (en)	1974-09-10	IMPROVEMENT IN VANE PUMPS
SE385314B (en)	1976-06-21	FUEL PUMP
IT977342B (en)	1974-09-10	IMPROVEMENT IN VANE PUMPS
IT977319B (en)	1974-09-10	IMPROVEMENT IN VANE PUMPS
IT966462B (en)	1974-02-11	IMPROVEMENT IN DOUBLE ACTING DOSING PUMPS
IT952835B (en)	1973-07-30	IMPROVEMENT IN HYDRAULIC PUMPS
BE818981A (en)	1974-12-16	PUMP
IT950586B (en)	1973-06-20	IMPROVEMENT IN GEAR PUMPS
IT965255B (en)	1974-01-31	IMPROVEMENT IN CENTRIFUGAL PUMPS
AT307808B (en)	1973-06-12	Injection pump
IT976749B (en)	1974-09-10	IMPROVEMENT IN MEMBRANE PUMPS
CH541722A (en)	1973-09-15	Positive displacement pump
CH550940A (en)	1974-06-28	PISTON PUMP.
RO64770A (en)	1980-06-15	INJECTION PUMP
FR2279954A1 (en)	1976-02-20	PROPELLER PUMP
IT994404B (en)	1975-10-20	IMPROVEMENT IN MEMBRANE PUMPS