Dishwasher safe thermometer

• US 20040258129A1
• Filed: 04/02/2004
• Published: 12/23/2004
• Est. Priority Date: 04/02/2003
• Status: Abandoned Application

• Current Assignee: FOB Instruments Limited (F.O.B. Instruments)
• Original Assignee: FOB Instruments Limited (F.O.B. Instruments)
• Inventors: Rund, Richard
• Application Number:
  US10/815,990
• Publication Number:
  US 20040258129A1
• Time in Patent Office: Days
• US Class Current: 374/170
• CPC Class Codes: G01K 1/12 for preventing damage due to heat overloading
• CPC Class Codes: G01K 1/14 Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
• CPC Class Codes: G01K 1/18 for reducing thermal inertia
• CPC Class Codes: G01K 2207/02 for measuring food temperature

Abstract

In accordance with an aspect of the inveniton digital thermometer comprises a housing having first and second portions, where the first portion defining a cavity. A waterproof seal is disposed between the first and second portions of the housing. Ttemperature conversion logic is disposed within the cavity of said housing and said temperature conversion logic is encapsulated by a material having low thermal conductivity. To protect against high heat, an insulating member is disposed in the cavity of said housing and a probe connected to said housing.

Claims

1. A digital thermometer comprising:

a housing having first and second portions, the first portion defining a cavity;

a waterproof seal disposed between the first and second portions of the housing;

temperature conversion logic disposed within the cavity of said housing, said temperature conversion logic being encapsulated by a material having low thermal conductivity;

an insulating member disposed in the cavity of said housing;

a probe connected to said housing; and

a temperature sensing element disposed in said probe.

2. The digital thermometer of claim 1 wherein the waterproof seal includes an ultrasonic weld.

3. The digital thermometer of claim 1 wherein the water proof seal includes a temperature resistant glue.

4. The digital thermometer of claim 1 wherein the waterproof seal includes a gasket and a screw interconnecting the first and second portions of the housing.

5. The digital thermometer of claim 1 wherein the temperature conversion logic is encapsulated by epoxy.

6. The digital thermometer of claim 1 wherein the insulating member comprises foam.

7. The digital thermometer of claim 1 wherein the insulating member comprises polystyrene.

8. A method of making a digital thermometer comprising:

encapsulating a microprocessor in a material having low thermal conductivity;

inserting the microprocessor in a cavity of a first portion of a thermometer housing;

applying a sufficient amount of insulation to the cavity to fill the cavity;

sealing a second portion of the thermometer housing to the first portion of the thermometer housing; and

connecting a probe to the thermometer housing.