Flow path resistor and heat exchanger

A flow path resistor comprising:

• an outer frame member configured to partition
• a fluid introduction port formed at one end of the outer frame member, the fluid introduction port being configured to introduce fluid,
• a fluid lead-out port formed at another end of the outer frame member, the fluid lead-out port being configured to draw out the fluid, and
• a hollow portion configured to communicate the fluid introduction port and the lead-out port,
• the outer frame member extending in one direction;
• and
• a plurality of resistance-imparting portions disposed inward of an outer surface of the outer frame member, the plurality of resistance-imparting portions including a first contraction flow portion configured to contract flow of the fluid, and an enlarged diameter portion disposed in the hollow portion and being configured to communicate with the first contraction flow portion,
• wherein the plurality of resistance-imparting portions are disposed adjacent to each other,
• of the plurality of resistance-imparting portions adjacent to each other, the first contraction flow portion forming one of the plurality of resistance-imparting portions is in communication with the enlarged diameter portion forming another one of the plurality of resistance-imparting portions, and
• a plurality the first contraction flow portions forming the plurality of resistance-imparting portions adjacent to each other are disposed at different positions in a direction in which the outer frame member extends,
• wherein the plurality of resistance-imparting portions extend in the direction in which the outer frame member extends, the plurality of resistance-imparting portions being disposed in a circumferential direction of the outer frame member,
• the plurality of resistance-imparting portions each include a first partitioning plate disposed on the fluid introduction port side, the plurality of resistance-imparting portion being formed with the first contraction flow portion, and a second partitioning plate disposed on the fluid lead-out port side, the second partitioning plate being formed with the first contraction flow portion,
• the first and second partitioning plates divide the enlarged diameter portion extending in the direction in which the outer frame member extends,
• a circumferential direction of the enlarged diameter portion is partitioned by a plate member disposed in a circumferential direction of the outer frame member, and
• the fluid flowing through one of the plurality of resistance-imparting portions flows through the first partitioning plate or the second partitioning plate and then flows within another one of the plurality of resistance-imparting portions adjacent to the one of the plurality of resistance-imparting portions.

A flow path resistor comprising:

• an outer frame member configured to partition
• a fluid introduction port formed at one end of the outer frame member, the fluid introduction port being configured to introduce fluid,
• a fluid lead-out port formed at another end of the outer frame member, the fluid lead-out port being configured to draw out the fluid, and
• a hollow portion configured to communicate the fluid introduction port and the lead-out port,
• the outer frame member extending in one direction;
• and
• a plurality of resistance-imparting portions disposed inward of an outer surface of the outer frame member, the plurality of resistance-imparting portions including a first contraction flow portion configured to contract flow of the fluid, and an enlarged diameter portion disposed in the hollow portion and being configured to communicate with the first contraction flow portion,
• wherein the plurality of resistance-imparting portions are disposed adjacent to each other,
• of the plurality of resistance-imparting portions adjacent to each other, the first contraction flow portion forming one of the plurality of resistance-imparting portions is in communication with the enlarged diameter portion forming another one of the plurality of resistance-imparting portions, and
• a plurality the first contraction flow portions forming the plurality of resistance-imparting portions adjacent to each other are disposed at different positions in a direction in which the outer frame member extends,
• wherein the fluid lead-out port is disposed in a central portion of the another end of the outer frame member.

A flow path resistor comprising:

• an outer frame member configured to partition
• a fluid introduction port formed at one end of the outer frame member, the fluid introduction port being configured to introduce fluid,
• a fluid lead-out port formed at another end of the outer frame member, the fluid lead-out port being configured to draw out the fluid, and
• a hollow portion configured to communicate the fluid introduction port and the lead-out port,
• the outer frame member extending in one direction;
• and
• a plurality of resistance-imparting portions disposed inward of an outer surface of the outer frame member, the plurality of resistance-imparting portions including a first contraction flow portion configured to contract flow of the fluid, and an enlarged diameter portion disposed in the hollow portion and being configured to communicate with the first contraction flow portion,
• wherein the plurality of resistance-imparting portions are disposed adjacent to each other,
• of the plurality of resistance-imparting portions adjacent to each other, the first contraction flow portion forming one of the plurality of resistance-imparting portions is in communication with the enlarged diameter portion forming another one of the plurality of resistance-imparting portions, and
• a plurality the first contraction flow portions forming the plurality of resistance-imparting portions adjacent to each other are disposed at different positions in a direction in which the outer frame member extends,
• wherein the flow path resistor includes a protruding portion that is provided on an outer peripheral surface of the outer frame member positioned on the one end side and the protruding portion protrudes from the outer peripheral surface to an outer side of the outer frame member.

A flow path resistor comprising:

• an outer frame member configured to partition
• a fluid introduction port formed at one end of the outer frame member, the fluid introduction port being configured to introduce fluid,
• a fluid lead-out port formed at another end of the outer frame member, the fluid lead-out port being configured to draw out the fluid, and
• a hollow portion configured to communicate the fluid introduction port and the lead-out port,
• the outer frame member extending in one direction;
• and
• a plurality of resistance-imparting portions disposed inward of an outer surface of the outer frame member, the plurality of resistance-imparting portions including a first contraction flow portion configured to contract flow of the fluid, and an enlarged diameter portion disposed in the hollow portion and being configured to communicate with the first contraction flow portion,
• wherein the plurality of resistance-imparting portions are disposed adjacent to each other,
• of the plurality of resistance-imparting portions adjacent to each other, the first contraction flow portion forming one of the plurality of resistance-imparting portions is in communication with the enlarged diameter portion forming another one of the plurality of resistance-imparting portions, and
• a plurality the first contraction flow portions forming the plurality of resistance-imparting portions adjacent to each other are disposed at different positions in a direction in which the outer frame member extends,
• wherein the flow path resistor further comprising:
• a plurality of first inclined plates housed in the outer frame member and disposed at intervals in the one direction, the plurality of first inclined plates being formed with the first contraction flow portion, and
• a plurality of second inclined plates housed in the outer frame member and disposed at intervals in the one direction, the plurality of second inclined plates being formed with the second contraction flow portion,
• wherein the plurality of first inclined plates are disposed inclined to the one direction,
• the plurality of second inclined plates are inclined to a direction different from the direction in which the plurality of first inclined plates are inclined,
• the enlarged diameter portion is partitioned by the first inclined plate, the second inclined plate, and an inner surface of the outer frame member to form a plurality of the enlarged diameter portions, and
• the first and second contraction flow portions are in communication with the enlarged diameter portion.