Electric resistance heating devices – Heating devices – Tank or container type liquid heater
Patent
1994-04-06
1995-06-06
Jeffery, John A.
Electric resistance heating devices
Heating devices
Tank or container type liquid heater
126361, 122 132, H05B 102, F24H 120
Patent
active
054229766
ABSTRACT:
A boiling water control system for use with a boiling water dispensing apparatus. The boiling water dispensing apparatus includes a water reservoir having a water heating element retained therein for heating water. A top portion of the reservoir is divided into a first and second section. The reservoir includes an inlet for emitting water and an outlet for dispensing water. The boiling water control system includes a steam sensor which produces a control signal in the presence of steam. A control module is associated with the boiling water apparatus and coupled to the steam sensor and the heating element for activating and deactivating the heating element in response to the control signal produced by the steam sensor. A primary steam vent communicates with the first section of the reservoir for allowing steam and air to escape from the first section. An air vent is provided on the primary steam vent for removing heated air from the primary steam vent. Steam travels through the primary steam vent to the steam sensor to produce an accurate temperature reading of the water retained in the reservoir.
REFERENCES:
patent: 4354094 (1982-10-01), Massey et al.
patent: 4582025 (1986-04-01), Grasso
patent: 4722321 (1988-02-01), Meister
patent: 5019690 (1991-05-01), Knepler
patent: 5038752 (1991-08-01), Anson
Bunn-O-Matic Corporation
Jeffery John A.
LandOfFree
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