Water heater

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4627416
SERIAL NO

06586603

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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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.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
RINNAI KABUSHIKI KAISHA A CORP OF JAPANNO 2-26 FUKUZUMI-CHO NAKAGAWA-KU NAGOYA-SHI AICHI-KEN

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aida, Kanae Nagoya, JP 1 12
Ito, Hiroshi Nagoya, JP 813 10775
Koumura, Masahiko Nagoya, JP 6 87
Mizutani, Katsushi Nagoya, JP 2 23
Shinozaki, Masanobu Nagoya, JP 2 31
Tamada, Kazumi Nagoya, JP 1 12

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