Blower housing seam and method of making same

Details Blower housing seam and method of making same Blower housing seam and method of making same

1992-03-13

1993-06-22

Look, Edward K.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Casing having multiple parts welded, cemented, or fused

29509, F04D 2940

Patent

active

052211835

ABSTRACT:
An improved blower housing is constructed of a pair of end walls and a sidewall joined by a seam extending around at least portions of the peripheral edges of the end walls, wherein the seam is formed in two sections positioned at an angle relative to each other, the angle dividing the seam sections extending around the seam. The angle formed between the two seam sections improves the ability of the seam to resist relative movement between the sidewall and the two end walls of the blower housing due to vibrations of the sidewall and two end walls during blower operations. The seam also enables a blower housing to be constructed from a coated sidewall and a pair of coated end walls without the need for spot welds or screws along the seam joining the sidewall and end walls. What is meant by coated is a prepainted, galvanized or aluminized wall. The particular seam construction also enables the sidewall to be joined to the pair of end walls without deforming the end walls.

REFERENCES:
patent: 3138107 (1964-06-01), Zeidler
patent: 3405439 (1968-10-01), Uemura
patent: 3548564 (1970-12-01), Bruce et al.
patent: 3743439 (1973-07-01), Cann
patent: 3909918 (1975-10-01), Takizawa et al.
patent: 4131980 (1979-01-01), Zinnbauer
patent: 4481978 (1984-11-01), Escandell
patent: 4697972 (1987-10-01), Le Bret et al.
patent: B14697972 (1991-04-01), Le Bret et al.
patent: 4888919 (1989-12-01), Strosberg et al.

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