Floor-cleaning machine
First Claim
1. A floor-cleaning machine comprising a motor-driven movable body carrying one or more motor-driven rotatable brushes, a reservoir for storing fresh cleaning liquid, reservoir for storing detergent product and a reservoir for storing spent cleaning liquid, dosing means including pump means for applying fresh cleaning liquid and detergent product to the floor to be cleaned, a squeegee/vacuum pick-up system for recovering spent cleaning liquid from the floor and delivering it to said reservoir for storing spent cleaning liquid, means for setting the rate of application of fresh cleaning liquid and detergent product to provide for a predetermined application of said fresh cleaning liquid and detergent product per unit of floor area, and controller means responsive to the movement of said movable body operable to control the rate of application of fresh cleaning liquid and detergent product so as to meet said predetermined rate of application per unit of floor area.
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Accused Products
Abstract
The invention pertains to floor cleaning machines in which the fresh water and product dosing operation is controlled as a function of the operation of the driving motor such that the dosing per unit of floor area is maintained at an operator-controllable level. Improved economy of water, product and energy is achieved.
112 Citations
10 Claims
- 1. A floor-cleaning machine comprising a motor-driven movable body carrying one or more motor-driven rotatable brushes, a reservoir for storing fresh cleaning liquid, reservoir for storing detergent product and a reservoir for storing spent cleaning liquid, dosing means including pump means for applying fresh cleaning liquid and detergent product to the floor to be cleaned, a squeegee/vacuum pick-up system for recovering spent cleaning liquid from the floor and delivering it to said reservoir for storing spent cleaning liquid, means for setting the rate of application of fresh cleaning liquid and detergent product to provide for a predetermined application of said fresh cleaning liquid and detergent product per unit of floor area, and controller means responsive to the movement of said movable body operable to control the rate of application of fresh cleaning liquid and detergent product so as to meet said predetermined rate of application per unit of floor area.
Specification