Stoves and furnaces – Liquid heater – Fluid fuel burner for other than top-accessible vessel
Patent
1984-03-06
1986-12-09
Jones, Larry
Stoves and furnaces
Liquid heater
Fluid fuel burner for other than top-accessible vessel
431 60, 431 72, 431 81, 122448R, 236 25A, F23H 100
Patent
active
046274162
ABSTRACT:
A water heater is disclosed having a heat exchanger, a main burner means for heating the heat exchanger, a standing burner, a main fuel passage means for supplying fuel to the main burner, a manual valve on the main fuel passage means which is operable by a manual operation member, an automatic valve disposed on the main fuel passage means at a point downstream from the manual valve, the automatic valve adapted to open in response to the pressure of a supply of water at a water pressure sensitive member, and a standing burner fuel passage means for supplying fuel to the standing burner, the standing burner fuel passage means drawing fuel from the main fuel passage means at a point in between the manual valve and the automatic valve. Also provided is a lock means engageable with manual operation member for preventing the manual operation member from opening the manual valve during the engagement, the lock means being operable by the water pressure sensitive member such that when no supply of water is sensed by the water pressure sensitive member, the lock means does not become engaged with the manual operation member.
REFERENCES:
patent: 1517389 (1924-12-01), Ballantine
patent: 1531868 (1925-03-01), Merrick
patent: 2258590 (1941-10-01), Merten
patent: 3383042 (1968-05-01), Mobus et al.
patent: 4147159 (1979-04-01), Thorwaldson
patent: 4242080 (1980-12-01), Tabei
patent: 4267820 (1981-05-01), Charron
patent: 4429682 (1984-02-01), Huang
patent: 4505253 (1985-03-01), Mizuno et al.
Aida Kanae
Ito Hiroshi
Koumura Masahiko
Mizutani Katsushi
Shinozaki Masanobu
Jones Larry
Price Carl D.
Rinnai Kabushiki Kaisha
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