Ngk Insulators, Inc.

Daisuke Kimura

Tatsuo Kawaguchi

Takeshi Sakuma

Makoto Yoshihara

Hiroshi Mizuno

Yutaro Fumoto

Takafumi Hamada

A heat exchange member includes: a honeycomb structure including: an outer peripheral wall; and partition walls arranged on an inner side of the outer peripheral wall, the partition walls defining a plurality of cells each extending from a first end face to a second end face to form a flow path for a first fluid; and a covering member being configured to cover an outer peripheral surface of the outer peripheral wall. In a cross section of the honeycomb structure orthogonal to a flow path direction for the first fluid, the partition walls include first partition walls extending in a radial direction and second partition walls extending in a circumferential direction. A part of at least one of the outer peripheral wall and the second partition walls includes at least one slit

Heat exchange member, heat exchanger and heat conductive member

A heat exchange member includes: a honeycomb structure including: an outer peripheral wall; an inner peripheral wall; and partition walls arranged between the outer peripheral wall and the inner peripheral wall, the partition walls defining a plurality of cells, each of the cells extending from a first end face to a second end face to form a flow path for a first fluid; and a covering member for covering an outer peripheral surface of the outer peripheral wall. In a cross section of the honeycomb structure orthogonal to a flow path direction for the first fluid, the partition walls extend in a radial direction. Each of the cells is formed from the outer peripheral wall, the inner peripheral wall, and the partition walls.

A heat exchanger, including: an inner cylinderthrough which a first fluid can flow, the inner cylinderbeing configured to house a heat recovery member; and an outer cylinderdisposed so as to be spaced on a radially outer side of the inner cylindersuch that a second fluid can flow between the outer cylinderand the inner cylinder. In the heat exchanger, at least a part of the outer cylinderand/or the inner cylinderhas at least one continuous irregular structure

Heat exchanger

A heat exchanging member including a hollow pillar shaped honeycomb structure having partition walls defining cells, the cells penetrating from a first end face to a second end face to form flow paths for a first fluid, an inner peripheral wall, and an outer peripheral wall; and a covering member being configured to cover the outer peripheral wall of the pillar shaped honeycomb structure. The heat exchanging member is configured to perform heat exchange between the first fluid and a second fluid flowing through an outer side of the covering member. In the heat exchanging member, in a cross section of the pillar shaped honeycomb structure perpendicular to a flow path direction of the first fluid, the cells are radially provided, and each of the inner peripheral wall and the outer peripheral wall has a thickness larger than that of each of the partition walls.

Heat exchanging member, heat exchanger and heat exchanger with purifier

A heat exchanging member includes: a pillar shape honeycomb structure having an outer peripheral wall and partition walls extending through the honeycomb structure from a first end face to a second end face to define a plurality of cells forming a through channel of a first fluid, and a covering member for covering the outer peripheral wall of the honeycomb structure. In a cross section of the honeycomb structure perpendicular to a flow direction of the first fluid, the partition walls includes: a plurality of first partition walls extending in a radial direction from the side of a center portion of the cross section; and a plurality of second partition walls extending in a circumferential direction, and a number of the first partition walls on the side of the central portion is less than a number of the first partition walls on the side of the outer peripheral wall.

Heat exchanging member and heat exchanger

A heat recovery device, including a pillar-shaped honeycomb structure comprising an outer peripheral side wall having one or more planar outer peripheral side surfaces; one or more thermoelectric conversion modules arranged to face the one or more planar outer peripheral side surfaces; a tubular member that circumferentially covers the outer peripheral side surfaces of the honeycomb structure and the one or more thermoelectric conversion modules; and a casing that circumferentially covers the tubular member; wherein the partition walls are mainly configured of ceramics; and wherein the casing has an inflow port and an outflow port for a second fluid having a temperature lower than that of the first fluid, and a flow path for the second fluid is formed circumferentially around the tubular member between an inner surface of the casing and an outer surface of the tubular member.

Heat recovery device and heat recovery system with a thermoelectric module

A heat exchanger according to the present invention includes: a pillar shaped honeycomb structure having a plurality of cells, the cells providing first flow paths through which a first fluid is passed; an inner cylinder attached to an outer periphery of the honeycomb structure; and an outer cylinder disposed on an outer periphery of the inner cylinder, the outer cylinder providing a second flow path through which a second fluid is passed, the second flow path being arranged between the outer cylinder and the inner cylinder. The second flow path includes: an intermediate flow path extending in an axial direction of the honeycomb structure so as to include an outer peripheral position of the honeycomb structure; and side flow paths located on both sides of the intermediate flow path in the axial direction. The intermediate flow path has a height lower than that of each of the side flow paths.

A heat exchanger, including: a columnar honeycomb structure having cells partitioned by partition walls composed of ceramics, each cell penetrating from a first end to a second end to form a flow path for a first fluid; an inner tubular member fitted to an outer peripheral surface of the honeycomb structure to circumferentially cover that surface; a spacer directly and circumferentially covering an outer peripheral surface of the inner tubular member as well as indirectly and circumferentially covering the outer peripheral surface of the honeycomb structure; and an outer tubular member directly and circumferentially covering the spacer; wherein the spacer has a three-dimensional structure that allows flow of a second fluid therein and suppresses movement of bubbles in the second fluid; and wherein at least one opening part between the inner tubular member and the outer tubular member forms a gate of the spacer for the second fluid.

An exhaust heat recovery device including a heat exchange portion, an exhaust branch portion, and an exhaust distribution portion, wherein the heat exchange portion comprises a pillar-shaped honeycomb body having a first end face and a second end face, and a casing accommodating the honeycomb body, the exhaust branch portion has a branch path that branches a path of exhaust gas flowing into the honeycomb body into a central portion and an outer circumferential portion in a cross-section orthogonal to an axial direction of the honeycomb body, and the exhaust distribution portion has an exhaust distribution mechanism that adjusts a heat recovery amount by changing an airflow resistance of the path of the exhaust gas in the central portion of the honeycomb body and varying the exhaust amount passing through the path of the exhaust gas in the outer circumferential portion of the honeycomb body.

Growing community of inventors

Nagoya, Japan

Daisuke Kimura