Vacuum cleaner for household and industrial application
First Claim
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1. A vacuum cleaner for home and industry, comprising:
- a housing having an inlet for drawing in dirt-laden air with a working air flow, and an outlet for discharging environmentally acceptable air;
an electric motor mounted in said housing;
a suction fan mounted in said housing and driven by said electric motor for generating said working air flow in the form of a vacuum flow;
an electrical converter in the form of a generator mounted in said housing and driven by said working air flow, said generator detecting the strength of said working air flow; and
a regulating and control circuit associated with said housing for regulating the speed of said electric motor, the output of said generator being connected with said regulating and control circuit.
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Abstract
A vacuum cleaner, for household and industrial purposes, including a suction fan, driven by an electric motor, for generating a working air flow, and an electrical converter, in the form of a generator driven by the working air flow, for detecting the strength of the working air flow, the output of the generator being connected with a regulating and control circuit.
28 Citations
16 Claims
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1. A vacuum cleaner for home and industry, comprising:
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a housing having an inlet for drawing in dirt-laden air with a working air flow, and an outlet for discharging environmentally acceptable air; an electric motor mounted in said housing; a suction fan mounted in said housing and driven by said electric motor for generating said working air flow in the form of a vacuum flow; an electrical converter in the form of a generator mounted in said housing and driven by said working air flow, said generator detecting the strength of said working air flow; and a regulating and control circuit associated with said housing for regulating the speed of said electric motor, the output of said generator being connected with said regulating and control circuit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification