Patents Assigned to Henkel Kommanditgesellschaft auf Aktein
  • Drivable automatic floor cleaning machine
    Patent number: 4922572
    Abstract: A drivable floor cleaning machine with integrated fresh liquid compartment (10) and dirty liquid compartment (11) and with a cleaning rotor (19) designed to be supplied with cleaning liquid from the fresh liquid compartment (10). Regulation of the liquid feed to the rotor, with constant observation of the available volume of the liquid for supply to the cleaning rotor (19) are provided. Liquid feed regulation is controlled by an alternating current oscillating piston pump (31) (FIG. 8).
    Type: Grant
    Filed: March 11, 1988
    Date of Patent: May 8, 1990
    Assignee: Henkel Kommanditgesellschaft auf Aktein
    Inventors: Albert Kohl, Leon Seilaz