CA458924A - Regulateur de tirage - Google Patents

Regulateur de tirage

Info

Publication number
CA458924A
CA458924A CA458924A CA458924DA CA458924A CA 458924 A CA458924 A CA 458924A CA 458924 A CA458924 A CA 458924A CA 458924D A CA458924D A CA 458924DA CA 458924 A CA458924 A CA 458924A
Authority
CA
Canada
Prior art keywords
draft regulator
draft
regulator
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
CA458924A
Other languages
English (en)
Inventor
L. Trethewey Frank
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA458924A publication Critical patent/CA458924A/fr
Expired legal-status Critical Current

Links

CA458924A Regulateur de tirage Expired CA458924A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA458924T

Publications (1)

Publication Number Publication Date
CA458924A true CA458924A (fr) 1949-08-16

Family

ID=35577533

Family Applications (1)

Application Number Title Priority Date Filing Date
CA458924A Expired CA458924A (fr) Regulateur de tirage

Country Status (1)

Country Link
CA (1) CA458924A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4182487A (en) * 1975-05-26 1980-01-08 Teknoterm Systems Ab Apparatus having a temperature sensitive element for controlling a damper in a ventilation system
US4236668A (en) * 1978-07-21 1980-12-02 Prikkel Iii John Thermal damper assembly having position controls
US4587706A (en) * 1980-03-26 1986-05-13 Energy Vent, Inc. Thermally responsive damper assembly having interfitting parts and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4182487A (en) * 1975-05-26 1980-01-08 Teknoterm Systems Ab Apparatus having a temperature sensitive element for controlling a damper in a ventilation system
US4236668A (en) * 1978-07-21 1980-12-02 Prikkel Iii John Thermal damper assembly having position controls
US4587706A (en) * 1980-03-26 1986-05-13 Energy Vent, Inc. Thermally responsive damper assembly having interfitting parts and method

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