GB1550971A - Multiblade centrifugal fan - Google Patents

Multiblade centrifugal fan

Info

Publication number: GB1550971A
Authority: GB; United Kingdom
Prior art keywords: centrifugal fan; multiblade centrifugal; multiblade; fan; centrifugal
Prior art date: 1976-04-21
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.): Expired

Application number

GB1649577A

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.)

Hitachi Ltd

Original Assignee

Hitachi Ltd

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.)

1976-04-21

Filing date

1977-04-20

Publication date

1979-08-22

1977-04-20 Application filed by Hitachi Ltd filed Critical Hitachi Ltd

1979-08-22 Publication of GB1550971A publication Critical patent/GB1550971A/en

Status Expired legal-status Critical Current

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
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/006—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by influencing fluid temperatures
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Structures Of Non-Positive Displacement Pumps (AREA)

GB1649577A 1976-04-21 1977-04-20 Multiblade centrifugal fan Expired GB1550971A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP4444476A JPS52129004A (en)	1976-04-21	1976-04-21	Multi-blade fun

Publications (1)

Publication Number	Publication Date
GB1550971A true GB1550971A (en)	1979-08-22

Family

ID=12691651

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB1649577A Expired GB1550971A (en)	1976-04-21	1977-04-20	Multiblade centrifugal fan

Country Status (3)

Country	Link
JP (1)	JPS52129004A (en)
DE (1)	DE2717612A1 (en)
GB (1)	GB1550971A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2826282A1 (en) *	2001-06-22	2002-12-27	Taema	BREATHING APPARATUS WITH STABILIZED PRESSURE TURBINE, TURBINE AND METHOD

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5631697U (en) *	1979-08-20	1981-03-27
JPS626498U (en) *	1985-06-27	1987-01-16
JPH11211129A (en) *	1998-01-30	1999-08-06	Mitsubishi Electric Corp	Ceiling-mounted air conditioner
US10350379B2 (en)	2008-06-05	2019-07-16	ResMed Pty Ltd	Treatment of respiratory conditions
EP2317150B1 (en) *	2009-10-29	2019-12-18	ResMed Pty Ltd	Patient ventilation device and components thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE756112A (en) *	1969-11-20	1971-03-15	Wilson Eng Co Inc Lee	DEVICE FOR CONTROL OF THE INLET AND OUTLET FLOW OF A BLOWER

1976
- 1976-04-21 JP JP4444476A patent/JPS52129004A/en active Pending
1977
- 1977-04-20 GB GB1649577A patent/GB1550971A/en not_active Expired
- 1977-04-20 DE DE19772717612 patent/DE2717612A1/en active Pending

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2826282A1 (en) *	2001-06-22	2002-12-27	Taema	BREATHING APPARATUS WITH STABILIZED PRESSURE TURBINE, TURBINE AND METHOD
EP1270037A1 (en) *	2001-06-22	2003-01-02	Taema	Respiratory apparatus having turbine with stabilized pressure, turbine and associated method

Also Published As

Publication number	Publication date
JPS52129004A (en)	1977-10-29
DE2717612A1 (en)	1977-11-03

Publication	Publication Date	Title
GB1548471A (en)	1979-07-18	Fan having forward-curved blades
JPS5340999A (en)	1978-04-13	Turboprop fan
JPS5387011A (en)	1978-08-01	Diffuser for centrifugal compressor
GB2014657B (en)	1982-10-06	Axial-flow fan
GB2004589A (en)	1979-04-04	Axial-flow fan
JPS52112155A (en)	1977-09-20	Heattpump system with multiistage centrifugal compressor
GB2044861B (en)	1983-01-12	Centrifugal blower impeller
JPS536903A (en)	1978-01-21	Centrifugal pumps
JPS52154113A (en)	1977-12-21	Thin sheettmade fan wheels
JPS5329860A (en)	1978-03-20	Fan
JPS5298202A (en)	1977-08-17	Centrifugal pumps
GB1550971A (en)	1979-08-22	Multiblade centrifugal fan
ZA771828B (en)	1978-03-29	Centrifugal pumps
JPS5344913A (en)	1978-04-22	Rotors for fans
GB2090338B (en)	1984-05-10	Centrifugal fan
JPS5332407A (en)	1978-03-27	Radiallflow fan assembly
JPS5638600A (en)	1981-04-13	Fan impeller
JPS52155476A (en)	1977-12-23	Centrifugal saparator
JPS52115408A (en)	1977-09-28	Tangential fans
GB2041102B (en)	1982-09-22	Axial-flow fans
JPS5328808A (en)	1978-03-17	Fan blades
JPS52115409A (en)	1977-09-28	Axiallflow fan wheels
GB1554322A (en)	1979-10-17	Axial-flow fans
SU630452A1 (en)	1978-10-30	Centrifugal fan
JPS5332408A (en)	1978-03-27	Vanes for fans

Legal Events

Date	Code	Title	Description
1979-11-07	PS	Patent sealed
1987-12-09	PCNP	Patent ceased through non-payment of renewal fee