Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Casing having multiple parts releasably clamped
Patent
1981-05-19
1983-09-27
Marcus, Stephen
Rotary kinetic fluid motors or pumps
Working fluid passage or distributing means associated with...
Casing having multiple parts releasably clamped
415200, 415501, 220 67, 220 71, 220210, F04D 2942
Patent
active
044065825
ABSTRACT:
A discharge head for a submersible pump includes a plastic body having an internally threaded neck for receiving a tapered threaded end of a fluid delivery pipe and a metal shell surrounding and engaging the neck to reinforce the neck against the radial forces developed by the tapered end of the pipe as it is tightened. An annular shoulder extends radially outward and downward from the neck and includes a pair of apertured lugs, each having a pair of laterally extending detents. The shell includes a shoulder corresponding to the annular shoulder and a pair of slots for receiving the lugs and for snapping down over the detents to aid in retaining the shell on the body. In one embodiment of the invention, a skirt extends downwardly from the annular shoulder and includes threads for connection with corresponding threads on a casing of the pump section of the pump. In an alternate embodiment, a flange extends downwardly from the shoulder of the discharge head shell along the skirt and defines the threads that mate with the threads of the pump section casing.
REFERENCES:
patent: 1132598 (1915-03-01), Mershimer
patent: 2218033 (1940-10-01), Thomsen
patent: 2315228 (1943-03-01), Schulz
patent: 2385450 (1945-09-01), Koppel
patent: 2470057 (1949-05-01), Spender
patent: 3098578 (1963-07-01), Rudelick
patent: 3381617 (1968-05-01), Wright
patent: 3521970 (1970-07-01), Deters
patent: 3612716 (1971-10-01), Deters
patent: 3815776 (1974-06-01), MacMillan
patent: 4120606 (1978-10-01), Reiss
patent: 4142756 (1970-03-01), Henning et al.
Kwon John
Marcus Stephen
Marley-Wylain Company
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