Operating procedure and cooling system mechanism for the...

Details Operating procedure and cooling system mechanism for the... Operating procedure and cooling system mechanism for the...

2005-06-28

2005-06-28

Ro, Bentsu (Department: 2837)

Electricity: motive power systems

Plural diverse motor controls

Running-speed control

C318S473000, C388S934000, C388S937000

Reexamination Certificate

active

06911793

ABSTRACT:
An operating procedure for the motor (1) of an electric powered tool. The operating idle speed of the motor (1) is set to a value using regulator electronics (4), and the operating speed is the same as a chosen operating speed (n1). The motor (1) runs on a pre-determined and higher idle speed (n2) for cooling purposes after a specific idle time (ΔT). while the motor (1) runs on the pre-determined operating idle speed (n1). The engine speed is immediately set to the operating speed (n1) once again, when the motor requires a moment of strain at a certain period of time (T3) to maintain simple and comfortable operating procedures.

REFERENCES:
patent: 4306264 (1981-12-01), Alessio
patent: 5759085 (1998-06-01), Gugenheimer et al.
patent: 6320286 (2001-11-01), Ramarathnam

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