Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Casing with mounting means
Patent
1999-03-12
2000-06-20
Verdier, Christopher
Rotary kinetic fluid motors or pumps
Working fluid passage or distributing means associated with...
Casing with mounting means
4152141, 415220, 24546, 24822212, F04D 2964
Patent
active
060770376
ABSTRACT:
A mechanism for securing an electrical fan assembly to a frame is provided by a frame constructed with a generally flat frame peripheral section that surrounds a generally four-cornered rectangular opening at a fan support location. Two spaced-apart tabs punched out of the frame project into holes in the corners of the fan assembly, and two spaced-apart U-channel ribs formed from the frame engage the fan assembly housing when it is supported at the fan-support location. The frame has a wall that extends away from the frame which has a pair of spaced-apart slots. A resilient spring clip is associated with each of the slots so that a lip of the spring clip is clamped over a hole in a corner of the front of the fan assembly housing. An elongated straight side clip then extends to the associated slot where a generally J-shaped section of the clip is inserted into the slot by the application of force to the longer leg of the J-shaped section so that when the pressure is released the spring clip is retained in the slot.
REFERENCES:
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patent: 2997763 (1961-08-01), Serfass
patent: 3120044 (1964-02-01), Di Piano
patent: 3194248 (1965-07-01), Callies
patent: 4598894 (1986-07-01), Johannes
patent: 4834615 (1989-05-01), Mauch et al.
Bowen Glenn W.
Hogan Patrick M.
Lockheed Martin Corporation
Verdier Christopher
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