CA2233381A1 - Fan system with variable air volume control - Google Patents

Fan system with variable air volume control

Info

Publication number
CA2233381A1
CA2233381A1 CA 2233381 CA2233381A CA2233381A1 CA 2233381 A1 CA2233381 A1 CA 2233381A1 CA 2233381 CA2233381 CA 2233381 CA 2233381 A CA2233381 A CA 2233381A CA 2233381 A1 CA2233381 A1 CA 2233381A1
Authority
CA
Canada
Prior art keywords
rotor
air
shaft
central opening
motor
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
CA 2233381
Other languages
French (fr)
Other versions
CA2233381C (en
Inventor
Muammer Yazici
Werner Richarz
George William Donald Wallace
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.)
AIRTEX MANUFACTURING PARTNERSHIP
Original Assignee
Air Handling Engineering 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
Priority claimed from US08/824,663 external-priority patent/US5827044A/en
Application filed by Air Handling Engineering Ltd filed Critical Air Handling Engineering Ltd
Publication of CA2233381A1 publication Critical patent/CA2233381A1/en
Application granted granted Critical
Publication of CA2233381C publication Critical patent/CA2233381C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

A centrifugal fan apparatus for installation in an air plenum adapted to provide pressurized air to a ventilating system includes a centrifugal fan rotor having front and rear sidewalls and a number of blades extending between these sidewalls. The front sidewall has a central opening for receiving air while the rear sidewall is attached to a rotatable drive shaft that extends rearwardly from the rotor. A motor is connected to the shaft in order to rotate it and the rotor. A
linearly movable platform supports the rotor, shaft and motor and an actuator moves this platform forwardly or rearwardly in order to control the volume of air flowing out of the rotor. An air inlet member is mounted rigidly at the central opening and has a generally cylindrical section that can extend into the rotor when the rotor is moved to a forward position
CA 2233381 1997-03-26 1998-03-26 Fan system with variable air volume control Expired - Lifetime CA2233381C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/824,663 US5827044A (en) 1997-03-26 1997-03-26 Fan system with variable air volume control
US08/824,663 1997-03-26

Publications (2)

Publication Number Publication Date
CA2233381A1 true CA2233381A1 (en) 1998-09-26
CA2233381C CA2233381C (en) 2002-02-26

Family

ID=25242001

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2233381 Expired - Lifetime CA2233381C (en) 1997-03-26 1998-03-26 Fan system with variable air volume control

Country Status (1)

Country Link
CA (1) CA2233381C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103148007A (en) * 2012-11-27 2013-06-12 洛阳源创电气有限公司 Mine ventilating fan control system capable of automatically adjusting air quantity

Also Published As

Publication number Publication date
CA2233381C (en) 2002-02-26

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20180326