Patents Assigned to M.T.H. Electric Trains
  • Smoke generation system for model toy applications
    Patent number: 6280278
    Abstract: A smoke generation system for use in model toys. The system includes a reservoir for holding smoke fluid, a heating element for converting the smoke fluid into smoke, a pump unit for delivering smoke fluid from the reservoir to the heating element, and a controller coupled to the pump unit. The controller functions to govern the operation of the pump unit so as to control the delivery of smoke fluid to the heating element, thereby controlling the density, volume and output rate of the smoke generated by the system.
    Type: Grant
    Filed: July 16, 1999
    Date of Patent: August 28, 2001
    Assignee: M.T.H. Electric Trains
    Inventor: Chuck Wells