Fluid handling – Siphons – With flow starting – stopping or maintaining means
Patent
1975-12-15
1977-08-16
Cohan, Alan
Fluid handling
Siphons
With flow starting, stopping or maintaining means
137151, F04F 1000
Patent
active
040419711
ABSTRACT:
A siphon includes an inverted U-shaped tube providing a passage between a main and an auxiliary container of water. A longer leg of the tube is connected to the upper end of a first section of an enclosed chamber which extends deeply into the main container. The chamber is partitioned into two adjacent longitudinal sections by a common wall having an opening at the lower end. The bottom of the second section is spaced above the base of the first section. The second section includes a flat plunger having a long movable vertical rod which extends out of the top. Water enters through inlets in the bottom of the first section and top of the second section until the chamber is full. A pivotable flapper valve controls the opening in the wall between the two sections. The rod and plunger are raised to the upper position and rapidly moved down to the edge of the bottom opening. This causes the valve to pivot away from the opening while blocking the inlet holes in the first section. Water from the second section is thus forced up into the first section and through the tube to fill the passage to the other container and start the siphoning section. The volume of water in the second section is preferably greater than that of the inverted tube in order to start siphoning in only one stroke of the plunger.
REFERENCES:
patent: 108087 (1870-10-01), Higgins et al.
patent: 351088 (1886-10-01), Bean
patent: 443496 (1890-12-01), Bowser et al.
patent: 503232 (1893-08-01), Franklin
patent: 550932 (1895-12-01), Maschmeyer
patent: 568018 (1896-09-01), Daniels
patent: 1462082 (1923-07-01), Carr
patent: 2830608 (1958-04-01), Miller
patent: 3670758 (1972-06-01), Willinger
patent: 3682193 (1972-08-01), Newsteder
Cohan Alan
Michalsky Gerald A.
Weingram Edward R.
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