×

Automotive washer system utilizing a freezable washer liquid and a freeze-resistant washer liquid

  • US 20030041897A1
  • Filed: 09/24/2002
  • Published: 03/06/2003
  • Est. Priority Date: 09/05/2001
  • Status: Active Grant
First Claim
Patent Images

1. A washer system comprising:

  • a first reservoir containing a freezable washer liquid and having a drain port therein in fluid communication with said freezable washer liquid when said first reservoir is in at least a full state;

    a temperature sensor for measuring a critical temperature corresponding to approximately a freezing temperature of said freezable washer liquid;

    a drain plug sealingly communicating with said drain port; and

    an electrical control unit in operative communication with said temperature sensor and said drain plug, said electrical control unit controlling said drain plug to drain said liquid from said first reservoir in response to said critical temperature.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×