Noritz Corporation

Satoshi Yoshida

Takeshi Oohigashi

Masaya Tateyama

Akinobu Nakamura

A heat exchanger includes a heat transfer tube and a baffle. The baffle includes a main body portion, a first protruding portion, a second protruding portion, a first wall, and a second wall. The first protruding portion protrudes from the main body portion into a first space and the second protruding portion protrudes into a second space. The first wall includes a first protruding wall and a second protruding wall. The second wall includes a third protruding wall and a fourth protruding wall. The first protruding wall and the third protruding wall protrude into the first space and the second protruding wall and the fourth protruding wall protrude into the second space.

Heat exchanger and hot water apparatus

A fin has a plurality of insertion holes in an elliptical shape through which a heat transfer tube is inserted and contains stainless steel as a material. The plurality of insertion holes are disposed as being aligned in a single row in a first direction. The fin has a first slit extending from a first end portion toward a second end portion and a second slit extending from the second end portion toward the first end portion. The second slit has a first edge portion where a cut and raised wall portion is disposed and a second edge portion where no cut and raised wall portion is disposed.

Growing community of inventors

Nishinomiya, Japan

Satoshi Yoshida