IT1123040B - Valvola a farfalla di sovrapressione per un ventilatore - Google Patents

Valvola a farfalla di sovrapressione per un ventilatore

Info

Publication number: IT1123040B
Authority: IT; Italy
Prior art keywords: overpressure; fan; butterfly valve; butterfly; valve
Prior art date: 1975-12-20

Application number

IT5231776A

Other languages

English (en)

Italian (it)

Inventor

Muller Gottfried

Hipp Paul

Original Assignee

Schako Metallwarenfabrik

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.)

1975-12-20

Filing date

1976-11-24

Publication date

1986-04-30

1976-11-24 Application filed by Schako Metallwarenfabrik filed Critical Schako Metallwarenfabrik

1986-04-30 Application granted granted Critical

1986-04-30 Publication of IT1123040B publication Critical patent/IT1123040B/it

Links

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/12—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures
- F04D25/14—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures and having shutters, e.g. automatically closed when not in use

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Air-Flow Control Members (AREA)

IT5231776A 1975-12-20 1976-11-24 Valvola a farfalla di sovrapressione per un ventilatore IT1123040B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19752557582 DE2557582C3 (de)	1975-12-20	1975-12-20	Überdruckklappe für Ventilator

Publications (1)

Publication Number	Publication Date
IT1123040B true IT1123040B (it)	1986-04-30

Family

ID=5965006

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT5231776A IT1123040B (it)	1975-12-20	1976-11-24	Valvola a farfalla di sovrapressione per un ventilatore

Country Status (8)

Country	Link
AT (1)	AT344857B (de)
BE (1)	BE849425A (de)
CH (1)	CH600162A5 (de)
DE (1)	DE2557582C3 (de)
FR (1)	FR2335713A1 (de)
GB (1)	GB1549944A (de)
IT (1)	IT1123040B (de)
SE (1)	SE429376B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2204660B (en) *	1987-04-11	1991-04-17	Pentec Engineering Services Li	Valve arrangement
DE8810027U1 (de) *	1988-08-05	1988-09-22	Haver & Boecker, 4740 Oelde	Vorrichtung zum Füllen von offenen Behältern
DE4333663C1 (de) *	1993-10-02	1995-05-11	Patent Und Innovationsagentur	Klappenventil

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2279425A (en) *	1939-11-16	1942-04-14	Westinghouse Electric & Mfg Co	Discharge shutter for blowers
GB1197023A (en) *	1968-04-04	1970-07-01	Royair Ltd	Improvements in and relating to Dampers for Ventilating Systems
US3826179A (en) *	1972-10-20	1974-07-30	American Warming Ventilation	Differential pressure responsive damper
DE2431065A1 (de) *	1974-06-28	1976-01-15	Maico Elektroapparate	Verschlusseinrichtung

1975
- 1975-12-20 DE DE19752557582 patent/DE2557582C3/de not_active Expired
1976
- 1976-10-30 CH CH1367576A patent/CH600162A5/xx not_active IP Right Cessation
- 1976-11-24 IT IT5231776A patent/IT1123040B/it active
- 1976-11-29 AT AT880676A patent/AT344857B/de not_active IP Right Cessation
- 1976-12-01 SE SE7613450A patent/SE429376B/xx not_active IP Right Cessation
- 1976-12-13 FR FR7637509A patent/FR2335713A1/fr active Granted
- 1976-12-15 BE BE173275A patent/BE849425A/xx not_active IP Right Cessation
- 1976-12-20 GB GB5305376A patent/GB1549944A/en not_active Expired

Also Published As

Publication number	Publication date
SE7613450L (sv)	1977-06-21
ATA880676A (de)	1977-12-15
CH600162A5 (de)	1978-06-15
BE849425A (fr)	1977-04-01
DE2557582A1 (de)	1977-06-30
DE2557582C3 (de)	1979-10-18
FR2335713B1 (de)	1982-07-02
GB1549944A (en)	1979-08-08
AT344857B (de)	1978-08-10
SE429376B (sv)	1983-08-29
DE2557582B2 (de)	1979-03-01
FR2335713A1 (fr)	1977-07-15

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