CA330084A - Air damper - Google Patents

Air damper

Info

Publication number
CA330084A
CA330084A CA330084A CA330084DA CA330084A CA 330084 A CA330084 A CA 330084A CA 330084 A CA330084 A CA 330084A CA 330084D A CA330084D A CA 330084DA CA 330084 A CA330084 A CA 330084A
Authority
CA
Canada
Prior art keywords
air damper
damper
air
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
CA330084A
Other languages
French (fr)
Inventor
G. Baer Edward
Robert R. Donaldson, Jr.
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.)
Will Burt Co
Original Assignee
Will Burt Co
Publication date
Application granted granted Critical
Publication of CA330084A publication Critical patent/CA330084A/en
Expired legal-status Critical Current

Links

CA330084A Air damper Expired CA330084A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA330084T

Publications (1)

Publication Number Publication Date
CA330084A true CA330084A (en) 1933-02-07

Family

ID=35292453

Family Applications (1)

Application Number Title Priority Date Filing Date
CA330084A Expired CA330084A (en) Air damper

Country Status (1)

Country Link
CA (1) CA330084A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114151786A (en) * 2021-11-12 2022-03-08 华能甘肃西固热电有限公司 SOFA air door structure of boiler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114151786A (en) * 2021-11-12 2022-03-08 华能甘肃西固热电有限公司 SOFA air door structure of boiler

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