Patent US3339262A successfully refreshed from Google Patents.
CA1157902A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Casing for a fan-forced heater having a radial blower
Assignee: Individual
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Filing: 1980-11-03
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Granted: 1983-11-29
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Expires: 2000-11-03
Abstract
Abstract ABSTRACT OF THE DISCLOSURE The present invention provides a casing for a fan-forced heater with a radial blower, provided with air-intake and air-discharge orifices and having an approximately box-type shape, said casing comprising a one-piece front wall-bottom section, a one-piece rear wall-cover section and two one-piece side wall-base sections, rim strips being provided along external longitudinal edges of the rear wall-cover section and of the front wall-bottom section which rim strips are spaced from the adjacent wall and are bent over inwardly through 180° and have at least one recess projecting lugs engaging the recesses being disposed on external longitudinal edges of the front wall-bottom section and of the rear wall-cover section whereby the side wall-bottom sections maybe mounted on the assembled front wall-bottom and rear wall-cover sections.
Inventors
- 👤 Rudolf Zinsser
- 👤 Karl Prestl
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-11-04 03:42
CPC Classifications
F; F24; F24H; F24H9/00; F24H9/02; F24H3/00; F24H3/02; F24H3/04; F24H3/0405; F24H3/0411; F24H3/0417
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
124 words
A casing for a fan-forced heater with a radial blower, provided with air-intake and air-discharge orifices and having an approximately box-type shape, said casing comprising a one-piece front wall-bottom section, a one-piece rear wall-cover section and two one-piece side wall-bottom sections, rim strips being provided along two external longitudinal edges of the rear wall-cover section and of the front wall-bottom section which rim strips are spaced from the adjacent wall and are bent over inwardly through 180° and have at least one recess, projecting lugs engaging the recesses being disposed on two adjacent external longitudinal edges of the front wall-bottom section and of the rear wall-cover section whereby the side wall-bottom sections may be mounted on the assembled front wall-bottom and rear wall-cover sections.
Claim 2
Dependent Claim
124 words
A casing for a fan-forced heater with a radial blower, provided with air-intake and air-discharge orifices and having an approximately box-type shape, said casing comprising a one-piece front wall-bottom section, a one-piece rear wall-cover section and two one-piece side wall-bottom sections, rim strips being provided along two external longitudinal edges of the rear wall-cover section and of the front wall-bottom section which rim strips are spaced from the adjacent wall and are bent over inwardly through 180° and have at least one recess, projecting lugs engaging the recesses being disposed on two adjacent external longitudinal edges of the front wall-bottom section and of the rear wall-cover section whereby the side wall-bottom sections may be mounted on the assembled front wall-bottom and rear wall-cover sections.
Claim 3
Dependent Claim
30 words
A casing according to claim 1, in which the side wall-base sections are made of plastics and the front wall-bottom section and the rear wall-cover section are made of metal.
Claim 4
Dependent Claim
35 words
A casing according to claim 1, having at least one safety screw passing through aligned boreholes in the side wall-base sections and at least one of the rear wall-cover section and the front wall-bottom section.
Claim 5
Dependent Claim
33 words
A casing according to claim 1, 2 or 3, in which the bent-over rim strip of the rear wall-cover section extends beyond the front wall of the front wall-bottom section as a beading.
Claim 6
Dependent Claim
90 words
A casing according to claim 1, in which an intake orifice is disposed in the cover of the rear wall-cover section and an intake orifice is disposed in the bottom of the front wall-bottom section an exhaust orifice being disposed in the front wall of the front wall-bottom section substantially directly adjacent a side wall base section and a bent sheet metal part partially tangentially encompasses a rotor and is disposed at right angles to cover and bottom and extends from one side of the exhaust orifice to the other.
Claim 7
Dependent Claim
28 words
A casing according to claim 5 in which recesses for receiving operating elements are provided in the region of the side wall-base section spaced from the intake orifices.
Claim 8
Dependent Claim
28 words
A casing according to claim 5 in which the rotor is provided with blades alternately bent over upwards and down-wards at right angles to the plane of rotation.
Claim 9
Dependent Claim
30 words
A casing according to claim 7 in which the bent sheet metal part and the rotor are held on the bottom of the front wall-bottom section by common check screws.
References Cited (Backward Citations)
No citation records indexed.
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