GB952451A - Improvements in or relating to axial flow devices - Google Patents

Improvements in or relating to axial flow devices

Info

Publication number
GB952451A
GB952451A GB4167159A GB4167159A GB952451A GB 952451 A GB952451 A GB 952451A GB 4167159 A GB4167159 A GB 4167159A GB 4167159 A GB4167159 A GB 4167159A GB 952451 A GB952451 A GB 952451A
Authority
GB
United Kingdom
Prior art keywords
fan
blades
casing
stator
flow
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.)
Expired
Application number
GB4167159A
Inventor
Thomas Richard Cowley
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.)
Granada Group Ltd
Original Assignee
Granada Group 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.)
Filing date
Publication date
Application filed by Granada Group Ltd filed Critical Granada Group Ltd
Priority to GB4167159A priority Critical patent/GB952451A/en
Publication of GB952451A publication Critical patent/GB952451A/en
Expired 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
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F04D19/02—Multi-stage pumps

Abstract

952,451. Axial-flow fans; mounting axial-flow fan blades. GRANADA GROUP Ltd. March 7, 1961 [Dec. 8, 1959], No. 41671/59. Headings F1C and F1T. An axial-flow machine comprises an induction motor having a central stator surrounded by a rotor in the form of a casing supported for rotation on a stationary shaft which also supports the stator, and one or more sets of flow-inducing blades extending radially from the rotor and arranged to co-operate with stationary blades, each blade having a root of dovetail section secured in a dovetail groove. In the fan shown, the internal stator 1 of the squirrel-cage induction motor driving the fan is carried by a stationary shaft 4 which is hollow to accommodate the supply leads 5. The external rotor of the motor is carried within the hub 2 of the fan impeller, which is journalled on the stationary shaft 4 through bearings 3. The dovetail roots of the impeller blades 8 are clamped between end rings 10 by means of tie bolts 11, with the interposition of an annular rib 7 projecting from the hub 2 and a spacer ring 9, both of dovetail section. The stator blades 13 are fixed to the fan casing 6 in a similar manner. In addition, set screws (not shown) pass through the casing 6 into tapped holes in the clamp rings 15 and spacer rings 14, the clearance holes in the casing being elongated in a direction parallel to the fan axis to permit the tie holts (not shown) to exert clamping pressure.
GB4167159A 1959-12-08 1959-12-08 Improvements in or relating to axial flow devices Expired GB952451A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4167159A GB952451A (en) 1959-12-08 1959-12-08 Improvements in or relating to axial flow devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4167159A GB952451A (en) 1959-12-08 1959-12-08 Improvements in or relating to axial flow devices

Publications (1)

Publication Number Publication Date
GB952451A true GB952451A (en) 1964-03-18

Family

ID=10420773

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4167159A Expired GB952451A (en) 1959-12-08 1959-12-08 Improvements in or relating to axial flow devices

Country Status (1)

Country Link
GB (1) GB952451A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0398156A2 (en) * 1989-05-18 1990-11-22 Spectrospin AG Method and device for precooling the helium vessel of a cryostat
CN107091239A (en) * 2017-06-22 2017-08-25 西北工业大学 A kind of high-altitude low pressure high speed outer rotor compressor
WO2018058097A1 (en) * 2016-09-26 2018-03-29 Fluid Handling Llc Multi-stage impeller produced via additive manufacturing

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0398156A2 (en) * 1989-05-18 1990-11-22 Spectrospin AG Method and device for precooling the helium vessel of a cryostat
EP0398156A3 (en) * 1989-05-18 1991-07-31 Spectrospin AG Method and device for precooling the helium vessel of a cryostat
US5187938A (en) * 1989-05-18 1993-02-23 Spectrospin Ag Method and a device for precooling the helium tank of a cryostat
WO2018058097A1 (en) * 2016-09-26 2018-03-29 Fluid Handling Llc Multi-stage impeller produced via additive manufacturing
US10697462B2 (en) 2016-09-26 2020-06-30 Fluid Handling Llc Multi-stage impeller produced via additive manufacturing
CN107091239A (en) * 2017-06-22 2017-08-25 西北工业大学 A kind of high-altitude low pressure high speed outer rotor compressor

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