CA982400A - Differential pressure responsive damper - Google Patents

Differential pressure responsive damper

Info

Publication number
CA982400A
CA982400A CA177,993A CA177993A CA982400A CA 982400 A CA982400 A CA 982400A CA 177993 A CA177993 A CA 177993A CA 982400 A CA982400 A CA 982400A
Authority
CA
Canada
Prior art keywords
differential pressure
pressure responsive
responsive damper
damper
differential
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
CA177,993A
Other versions
CA177993S (en
Inventor
Raymond L. Alley
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.)
AMERICAN WARMING AND VENTILATING Inc
Original Assignee
AMERICAN WARMING AND VENTILATING Inc
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 AMERICAN WARMING AND VENTILATING Inc filed Critical AMERICAN WARMING AND VENTILATING Inc
Application granted granted Critical
Publication of CA982400A publication Critical patent/CA982400A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/15—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre with parallel simultaneously tiltable lamellae

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)
CA177,993A 1972-10-20 1973-08-02 Differential pressure responsive damper Expired CA982400A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00299625A US3826179A (en) 1972-10-20 1972-10-20 Differential pressure responsive damper

Publications (1)

Publication Number Publication Date
CA982400A true CA982400A (en) 1976-01-27

Family

ID=23155590

Family Applications (1)

Application Number Title Priority Date Filing Date
CA177,993A Expired CA982400A (en) 1972-10-20 1973-08-02 Differential pressure responsive damper

Country Status (2)

Country Link
US (1) US3826179A (en)
CA (1) CA982400A (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2557582C3 (en) * 1975-12-20 1979-10-18 Schako Metallwarenfabrik Ferdinand Schad Kg, 7201 Kolbingen Overpressure damper for fan
US4887641A (en) * 1988-12-12 1989-12-19 Mestek, Inc. Modified parallel blade damper for an air handling system
US5360372A (en) * 1989-05-02 1994-11-01 Gpac, Inc. Control system for doors of a negative air pressure enclosure
US6386828B1 (en) 2000-01-03 2002-05-14 Aerotech, Inc. Ventilation fan
RU2517103C2 (en) * 2007-10-03 2014-05-27 Минова Интернешнл Лтд Improved controller of air flow
GB0821447D0 (en) * 2008-11-25 2008-12-31 Coxon Christopher J A pressure relief vent
US20100291860A1 (en) * 2009-05-13 2010-11-18 Minel Kupferberg Parallel control damper with support
GB0912644D0 (en) 2009-07-21 2009-08-26 Apreco Ltd Venting device
US20110028081A1 (en) * 2009-07-29 2011-02-03 Huntair, Inc. Back draft damper
GB2478581A (en) * 2010-03-11 2011-09-14 Christopher Coxon Pressure relief vent
CN104343736A (en) * 2013-08-06 2015-02-11 鸿富锦精密工业（深圳）有限公司 Fan module
US20160376982A1 (en) * 2015-06-23 2016-12-29 Ricardo Daniel ALVARADO ESCOTO Highly Efficient Two-Stroke Internal Combustion Hydraulic Engine with a Torquing Vane Device Incorporated
RU167345U1 (en) * 2016-02-24 2017-01-10 Федеральное государственное унитарное предприятие "Российский Федеральный ядерный центр - Всероссийский научно-исследовательский институт экспериментальной физики" (ФГУП "РФЯЦ-ВНИИЭФ") Air channel shutdown device
RU187187U1 (en) * 2018-10-15 2019-02-22 Акционерное общество "Опытное Конструкторское Бюро Машиностроения имени И.И. Африкантова" (АО "ОКБМ Африкантов") Ventilation protection device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3604458A (en) * 1969-02-13 1971-09-14 Modine Mfg Co Temperature compensating damper structure
US3631790A (en) * 1969-09-23 1972-01-04 Specialties Const Automatic closing louver
US3668999A (en) * 1970-09-21 1972-06-13 American Warming Ventilation Fluid back pressure damper

Also Published As

Publication number Publication date
US3826179A (en) 1974-07-30

Similar Documents

Publication Publication Date Title
CA944579A (en) Differential pressure transducer
CA982400A (en) Differential pressure responsive damper
AU470902B2 (en) Differential
CA974848A (en) Diaphragm pressure sensor
CA979828A (en) Diaphragm clutch
CA972184A (en) Differential pressure transmitter overrange protection
CA970652A (en) Damper
CA938964A (en) Differential pressure switch
CA930566A (en) Differential pressure transducer
CA974849A (en) Fluid separator
CA1016079A (en) Pressure responsive check valve
CA963447A (en) Damper seal system
CA981557A (en) Planar pressure responsive elements
CA897987A (en) Differential pressure transducer
CA904080A (en) Pressure sealed damper
AU469229B2 (en) Differential pressure transmitter
CA1004094A (en) Differential pressure indicator
CA905522A (en) Differential pressure indicator
CA915518A (en) Differential pressure indicator
CA961661A (en) Differential pressure transducer
CA884452A (en) Pressure differential indicating means
CA844351A (en) Differential pressure transmitter
CA910081A (en) Pressure responsive element
CA848692A (en) Differential pressure responsive apparatus
CA901836A (en) Differential assembly