Pumps – Condition responsive control of pump drive motor – Responsive to pump or pump fluid temperature
Patent
1996-10-10
1999-01-19
Thorpe, Timothy
Pumps
Condition responsive control of pump drive motor
Responsive to pump or pump fluid temperature
417 36, 41742315, F04B 4900, F04B 4910
Patent
active
058607900
ABSTRACT:
An automatic draining arrangement without position limitation includes a base plate, a water storage tank, a water tank mounting frame, a detecting control circuitry, a pump and a case, in which the water storage tank is installed on the base plate through the detecting control circuitry and pump, and also the case is provide on the base plate for protection, isolation of the interior mechanism. A drain tube is attached to the pump and extends outside of the arrangement. The detecting control circuitry controls water draining operation for arrangement that generate waste water, when the waste water reach certain level, the water would automatically drain out. This arrangement can eliminate problems caused by other draining method and the problem of location, plus the fact that this arrangement can set to different switches to drain out water either by pump or by siphon action which can save electricity power.
REFERENCES:
patent: 4255361 (1981-03-01), Goettl
patent: 4361522 (1982-11-01), Goettl
patent: 4576552 (1986-03-01), Smith
patent: 4739786 (1988-04-01), Parkinson
patent: 5216288 (1993-06-01), Greene
patent: 5252025 (1993-10-01), Kida et al.
patent: 5577893 (1996-11-01), Nishikawa rt al.
Chan Raymond Y.
Thai Xuan M.
Thorpe Timothy
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