Pumps – Condition responsive control of pump drive motor – By control of electric or magnetic drive motor
Patent
1998-05-22
2000-11-14
Yuen, Henry C.
Pumps
Condition responsive control of pump drive motor
By control of electric or magnetic drive motor
417 42, F04B 4900
Patent
active
061461016
ABSTRACT:
An automatic control device for an air compressor is disclosed. The air compressor controlled by the automatic control device is provided with two operation modes, one is the idle-running/heavy-running operation mode and the other one is the auto-stop/start operation mode. The automatic control device comprises a controller, a microswitch and an electromagnetic switch for controlling the air compressor to switch its operation mode between the idle-running/heavy-running and the auto-stop/start operation modes thereby enhancing the performance of the air compressor
REFERENCES:
patent: 3860363 (1975-01-01), Silvern et al.
patent: 4819123 (1989-04-01), Hatimaki
patent: 4863355 (1989-09-01), Odagirl et al.
Castro Arnold
Yuen Henry C.
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