Single-outlet hot/cold water faucet with a water temperature display device

• US 5,542,449 A
• Filed: 07/13/1994
• Issued: 08/06/1996
• Est. Priority Date: 07/13/1994
• Status: Expired due to Fees

• Current Assignee: Chien-Ta Huang
• Original Assignee: Chien-Ta Huang
• Inventors: Huang, Chien-Ta
• Primary Examiner(s): CHAMBERS, A MICHAEL
• Application Number:
  US08/274,647
• Time in Patent Office: 755 Days
• Field of Search: 374/163, 374/170, 137/551, 137/625.4
• US Class Current: 137/551
• CPC Class Codes: E03C 2001/0418 having temperature indicating means
• CPC Class Codes: F16K 31/605 for single handle mixing valves
• CPC Class Codes: F16K 31/607 characterised by particular material, by special measures to obtain aesthetical effects, or by auxiliary functions, e.g. storage
• CPC Class Codes: F16K 37/005 for measuring fluid parameters F16K37/0033 takes precedence
• CPC Class Codes: G01K 1/14 Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
• CPC Class Codes: H01H 3/0206 Combined operation of electric switch and of fluid control device
• CPC Class Codes: Y10T 137/2959 Sinking or bucket type float
• CPC Class Codes: Y10T 137/2981 Movable trap chamber
• CPC Class Codes: Y10T 137/8158 With indicator, register, recorder, alarm or inspection means

Abstract

A single-outlet hot/cold water faucet of the type having a handle, a valve connected to the handle by a connecting plate and a lever and moved to open or close the water outlet, a revolving shaft turned by the handle to regulate the temperature of water in the mixing chamber, and a temperature detection and display device controlled by the handle to detect and show the temperature of water in the mixing chamber, wherein the temperature detection and display device includes a liquid crystal display mounted within a top chamber on the handle and covered by a transparent cap, a battery, a switch controlled by the handle to connect the battery to the liquid crystal display, and a temperature detecting probe connected to the liquid crystal display by a temperature detecting wire and inserted through the revolving shaft and disposed in a hole on the bottom extension rod of the connecting plate to detect the temperature of water in the mixing chamber.

Claims

1. A single-outlet hot/cold water faucet comprised of a mixing chamber, a water outlet, a handle, a revolving shaft turned by said handle to regulate the temperature of water in said mixing chamber, a connecting plate, a control lever connected between said connecting plate and said handle, a valve with a rubber seal ring fastened to said connecting plate and lifted or lowered by said handle to open or close said water outlet, and a temperature detection and display device to detect and show the temperature of water in said mixing chamber, wherein said handle comprises a top chamber covered with a transparent cap, a switch hole and a wire hole respectively communicated with said top chamber at the bottom;

said connecting plate comprises a bottom extension rod extended into said mixing chamber and a through hole through said bottom extension rod;

said revolving shaft comprises a through hole communicated between the through hole of said connecting plate and said wire hole of said handle;

said temperature detection and display device comprises a battery and a switch mounted within said switch hole, said switch being switched on when said handle is lifted to open said water outlet or switched off when said handle is pressed to close said water outlet, a liquid crystal display mounted within said top chamber and connected to said battery through said switch and having a temperature detecting wire with a probe at the end inserted through said wire hole and the through holes on said revolving shaft and said connecting plate to detect the temperature of water in said mixing chamber.

2. The single-outlet hot/cold water faucet of claim 1 wherein said connecting plate is made of heat conductive metal.