Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Casing having multiple parts releasably clamped
Patent
1994-05-10
1995-12-12
Look, Edward K.
Rotary kinetic fluid motors or pumps
Working fluid passage or distributing means associated with...
Casing having multiple parts releasably clamped
F04D 2964
Patent
active
054744202
ABSTRACT:
A duct fan (1) comprises a fan housing (2) consisting of two components, an inlet component (3) and an outlet component (4), a motor bridge (5) placed within the housing, and a unit (6) consisting of a motor with impeller and attached to the motor bridge (5). The motor bridge (5), which is diametrically extended through the housing (2), is provided at its outer ends with lugs (16), which are received in impressions (9) in the edge portion (8) of the inlet component (3). The outlet component (4) is provided with an edge portion (12), which fits onto the edge portion (8) of the inlet component (3), and a shoulder (13) of the edge portion (12) of the outlet component (4) rests, in the assembled state, against the end edge of the edge portion (8) and against the motor bridge (5) at the lugs (16). The outlet component (4) is provided with impressions (14) in positions corresponding to the impressions (9) in the edge portion (8) of the inlet component (3) These impressions (14) form shoulders (15), which are on a level with the shoulder (13) of the edge portion (12) for abutment against the motor bridge (5) at the lugs (16).
REFERENCES:
patent: 2456488 (1948-12-01), Brown
patent: 2805615 (1957-09-01), Rudy
patent: 3775029 (1973-11-01), Ranz
patent: 4394111 (1983-07-01), Wiese et al.
patent: 4867640 (1989-09-01), Penlesky et al.
patent: 5030061 (1991-07-01), Meissgeier
Lee Michael S.
Look Edward K.
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