Water sprayer and heater assembly for windshield wiper

• US 7,127,158 B1
• Filed: 07/12/2005
• Issued: 10/24/2006
• Est. Priority Date: 07/12/2005
• Status: Expired due to Fees

• Current Assignee: Hung-Ta Huang, Jen-Yen Yen
• Original Assignee: Hung-Ta Huang, Jen-Yen Yen
• Inventors: Yen, Jen-Yen, Huang, Hung-Ta
• Primary Examiner(s): Campbell, Thor S.
• Application Number:
  US11/178,355
• Time in Patent Office: 469 Days
• Field of Search: None
• US Class Current: 392/485
• CPC Class Codes: B60S 1/488 electrically
• CPC Class Codes: F24H 1/102 with resistance

Abstract

A water sprayer and heater assembly for windshield wiper is disclosed to include a controller; a water container connected between a water supply pipe and a water spray tube at the windshield wiper, a water pressure switch electrically connected to the controller and set in communication between the water supply pipe and the water inlet of the water container, and an electric heater mounted in the water container and electrically connected to the controller and controllable by the controller to heat water in the water container when a flow of water passes from the water supply pipe through the water pressure switch into the water container.

Claims

1. A water sprayer and heater assembly comprising:

a controller;

a water container, said water container having a water inlet and a water outlet, said water outlet being connected to a water spray tube at a windshield wiper, said water container including a first water chamber disposed at a top side thereof, a second water chamber disposed at a bottom side thereof, a water hole in fluid communication between said first water chamber and said second water chamber, two cover plates respectively covered on said first water chamber and said second water chamber, and gasket means peripherally sealed to said cover plates;

a water pressure switch electrically connected to said controller, said water pressure switch having a water input side connected to a water supply pipe for receiving water from said water supply pipe and a water output side connected to the water inlet of said water container; and

an electric heater mounted inside said water container and electrically connected to said controller and controllable by said controller to heat water in said water container when a flow of water passes from said water supply pipe through said water pressure switch into said water container, said electric heater being suspended in said first water chamber and said second water chamber of said water container.

2. The water sprayer and heater assembly as claimed in claim 1, further comprising a plurality of partition plates respectively mounted in said first water chamber and said second water chamber and defining each of said first water chamber and said second water chamber a respective detoured water passageway.

3. The water sprayer and heater assembly as claimed in claim 1, further comprising a housing that houses said water container, said controller, said electric heater, and said water pressure switch.