Vacuum cleaner with motor speed indicator
First Claim
1. A vacuum cleaner comprising:
- a vacuum cleaner housing;
a suction motor in said vacuum cleaner housing;
a motor speed control switch;
an illuminatable motor speed indicator comprising a plurality of lights arranged in a light pattern selected from the group consisting of a circular pattern and an annular ring pattern; and
at least one electronic or electrical controller that is conductively connected to said suction motor, to said motor speed control switch and to said lights; and
wherein said at least one controller is or are arranged, configured and adapted to control a motor rotation speed of said suction motor dependent on and responsive to a setting of said motor speed control switch, and to successively activate and deactivate respective ones or groups of said lights at a light succession rate dependent on said motor rotation speed or dependent on said setting of said motor speed control switch and to thereby create a visible light spot that appears to rotate around said light pattern at a light rotation rate related to said motor rotation speed of said suction motor.
1 Assignment
0 Petitions
Accused Products
Abstract
A vacuum cleaner includes a variable speed suction motor and an illuminatable motor speed indicator having plural lights arranged in a circular pattern or annular ring pattern, for example around a motor speed control switch. A control unit includes an indicator controller and a motor controller that respectively control the illuminatable indicator and the motor, based on inputs from the motor speed control switch and optionally at least one sensor that senses operating conditions of the vacuum cleaner. The lights are successively activated and deactivated to create a visible light spot that appears to rotate around the circular or annular ring pattern at a light rotation rate related to and indicative of the motor rotation speed. Thereby the indicator allows the vacuum suction power to be visually monitored.
9 Citations
20 Claims
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1. A vacuum cleaner comprising:
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a vacuum cleaner housing; a suction motor in said vacuum cleaner housing; a motor speed control switch; an illuminatable motor speed indicator comprising a plurality of lights arranged in a light pattern selected from the group consisting of a circular pattern and an annular ring pattern; and at least one electronic or electrical controller that is conductively connected to said suction motor, to said motor speed control switch and to said lights; and wherein said at least one controller is or are arranged, configured and adapted to control a motor rotation speed of said suction motor dependent on and responsive to a setting of said motor speed control switch, and to successively activate and deactivate respective ones or groups of said lights at a light succession rate dependent on said motor rotation speed or dependent on said setting of said motor speed control switch and to thereby create a visible light spot that appears to rotate around said light pattern at a light rotation rate related to said motor rotation speed of said suction motor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification