GB552900A - Improvements in or relating to roof ventilators for buildings - Google Patents

Improvements in or relating to roof ventilators for buildings

Info

Publication number
GB552900A
GB552900A GB1369241A GB1369241A GB552900A GB 552900 A GB552900 A GB 552900A GB 1369241 A GB1369241 A GB 1369241A GB 1369241 A GB1369241 A GB 1369241A GB 552900 A GB552900 A GB 552900A
Authority
GB
United Kingdom
Prior art keywords
baffles
cover
roof
edges
ridge
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
GB1369241A
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.)
CHARLES VIKING RUNDELL
Electrical Improvements Ltd
Original Assignee
CHARLES VIKING RUNDELL
Electrical Improvements 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 CHARLES VIKING RUNDELL, Electrical Improvements Ltd filed Critical CHARLES VIKING RUNDELL
Priority to GB1369241A priority Critical patent/GB552900A/en
Publication of GB552900A publication Critical patent/GB552900A/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
    • F24F7/00—Ventilation
    • F24F7/02—Roof ventilation

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)
  • Duct Arrangements (AREA)

Abstract

552,900. Roof ventilators. ELECTRICAL IMPROVEMENTS, Ltd., HOWELL, A., and RUNDELL, C. V. Oct. 24, 1941, No. 13692. [Class 137] A ventilating opening A in the roof is surmounted by a box-like structure formed by a ridge-shaped cover E and side plates F within which are two sets of baffles K, M, the upper set extending downwards from the ridge of the cover, and the lower set upwards from longitudinal kerbs G at the bottom corners, the free edges of the lower pair of baffles lying closer together than and beneath those of the upper pair. The baffles, sides and cover are secured to transverse spaced diaphragms C embedded at their bottom edges in the roof girders. The edges of the cover E may be provided with downward extensions to screen the openings above the side plates from the wind. The ventilator, being, of sectioned construction, is built up from flat slabs of concrete or asbestos cement. The wind causes a suction effect to withdraw the hot air from below, and the baffles provide a light trap.
GB1369241A 1941-10-24 1941-10-24 Improvements in or relating to roof ventilators for buildings Expired GB552900A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1369241A GB552900A (en) 1941-10-24 1941-10-24 Improvements in or relating to roof ventilators for buildings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1369241A GB552900A (en) 1941-10-24 1941-10-24 Improvements in or relating to roof ventilators for buildings

Publications (1)

Publication Number Publication Date
GB552900A true GB552900A (en) 1943-04-29

Family

ID=10027657

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1369241A Expired GB552900A (en) 1941-10-24 1941-10-24 Improvements in or relating to roof ventilators for buildings

Country Status (1)

Country Link
GB (1) GB552900A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3793930A (en) * 1972-03-09 1974-02-26 Inst Proiectari Al Ind Usoare Adjustable deflector made of prefabricated reinforced concrete members
FR2736997A1 (en) * 1995-07-20 1997-01-24 Chaudronnerie Port Sud Static building ventilator fitting into opening in flat roof - has lower and upper cover panels defining lateral inlet and outlet air flow paths, removably supported on frame fitted into roof opening
NL1011865C2 (en) * 1999-04-22 2000-11-07 Bert Van T Oever Method for ventilating stable or cowshed involves longitudinal opening in roof part with first frame component adjacent to first opening. The width of the opening is smaller than twice the height and frame componeent extends above roof part
US10233650B2 (en) 2015-01-12 2019-03-19 Lomanco, Inc. Roof vent

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3793930A (en) * 1972-03-09 1974-02-26 Inst Proiectari Al Ind Usoare Adjustable deflector made of prefabricated reinforced concrete members
FR2736997A1 (en) * 1995-07-20 1997-01-24 Chaudronnerie Port Sud Static building ventilator fitting into opening in flat roof - has lower and upper cover panels defining lateral inlet and outlet air flow paths, removably supported on frame fitted into roof opening
NL1011865C2 (en) * 1999-04-22 2000-11-07 Bert Van T Oever Method for ventilating stable or cowshed involves longitudinal opening in roof part with first frame component adjacent to first opening. The width of the opening is smaller than twice the height and frame componeent extends above roof part
US10233650B2 (en) 2015-01-12 2019-03-19 Lomanco, Inc. Roof vent

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