Rotary kinetic fluid motors or pumps – Working fluid bypass
Reexamination Certificate
2006-07-11
2006-07-11
Nguyen, Ninh H. (Department: 3745)
Rotary kinetic fluid motors or pumps
Working fluid bypass
C415S156000, C415S202000
Reexamination Certificate
active
07074008
ABSTRACT:
A rotator with an impeller and a stator generating an induced voltage are arranged in a casing. The tap water flowing flows through a main passage, which has a first jet orifice facing the impeller, and rotates the impeller. A bypass running from the inflow port and passing around an outer periphery of the stator is provided. When the water pressure is high, a check valve closing the bypass is opened against a spring force and the water flows out to a drain port, while the impeller is stably rotated by a pressure of water jetted from a second jet orifice penetrating from the bypass to face the impeller, which pressure is in reverse proportion to a speed of flow inside the bypass.
REFERENCES:
patent: 1035082 (1912-08-01), Cachin
patent: 2889117 (1959-06-01), Wimpress
patent: 5505587 (1996-04-01), Ghetzler
Motonaka Hiroshi
Shiozaki Yoshio
Greigg Ronald E.
Nguyen Ninh H.
Taiyo Kagaku Kabushiki Kaisha
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