Audible alarm food thermometer

Details Audible alarm food thermometer Audible alarm food thermometer

G - Physics

01

K

116/59

G01K 5/32 (2006.01) G01K 3/00 (2006.01) G01K 5/14 (2006.01)

Patent

CA 1086572

AUDIBLE ALARM FOOD THERMOMETER Abstract of the Disclosure A portable food thermometer affording an audible alarm at a preset cooking completion temperature. A water reservoir defined within a two-part housing is fillable by the user in advance of use. An elongated sensing probe insertable in the food is secur- ed extending through one of the housing parts inward of the reser- voir and contains a slideable rod supported on a confined temp- erature sensing material. Expansion of the sensing material in response to increasing food temperature forces the rod outward of the probe. Opposite the free end of the rod is a spring loaded ball valve sealing the reservoir from a whistle outlet. Temperature graduations on the housing enable adjusting the spacing between the rod and valve at room temperature for pre- setting the operating temperature of the unit. On reaching set point cooking temperature, the outwardly forced position of the rod acts to open the valve enabling steam in the reservoir to activate the whistle alarm. When the alarm is activated, a plug positioned in the whistle outlet is displaced outwardly for affording a visual indication of thermometer operation. 1a

296456

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