Carrier Corporation

United Technologies Corporation

Ballard Power Systems Corporation

Tobias H Sienel

Yu Chen

Arindom Joardar

Bruce J Poplawski

Julio I Concha

Michael F Taras

Lili Zhang

Jack Leon Esformes

Kevin B Mercer

Kazuo Saito

Luis Felipe Avila

Raymond L DeBlois

David J McFarlin

Sivakumar Gopalnarayanan

Wei Zhang

Alan Matthew Finn

James Thompson Beals

Aaron T Nardi

Mark R Jaworowski

Wei Huang

Abbas A Alahyari

Peter R Bushnell

Young Kyu Park

Bryan A Eisenhower

Jason D Scarcella

Robert A Leffler

Neelkanth S Gupte

Jean Yamanis

Pengju Kang

Ulf J Jonsson

Sean C Emerson

Ellen Y Sun

Thomas Henry Vanderspurt

Justin R Hawkes

Bart Antonie Van Hassel

May L Corn

Charbel Rahhal

Mel Woldesemayat

Nicolas Pondicq-Cassou

KeonWoo Lee

Jefferi J Covington

Frank R Biancardi

Jianhua Zhou

Louis Chiappetta, Jr

Jeffrey James Nieter

Bernd Heinbokel

Sunita Satyapal

Jules Ricardo Munoz

H Harvey Michels

Matthew Patterson

Shailesh Sharad Manohar

Scott M MacBain

James D Freihaut

Douglas Auyer

Brian David Videto

Robert J Braun

Mary Teresa Lombardo

Dhruv Chanakya Hoysall

Bryce Kirk Moore

William A Rioux

Jackie S Anderson

Robert R Hebert

Thomas Bryant

Anais Espinal

J Michael Griffin

Catherine Thibaud

Ping Sue Vang

Jean-Philippe Goux

Dennis R Pandy

Siegfried Haaf

Sylvain Serge Douzet

Ruoshuang Huang

Balbir Singh Bal

Stuart Anthony Astley

Thomas D Radcliffe

Walter H Borst, Jr

John T Costello

Nicolas Pondico-Cassou

Christopher G Park

Matthew Nigro

Keonwoo Lee

Lee G Tetu

Penju Kang

Julio Concha

Nicholas Pondicq-Cassou

A heat exchange tube for use in a heat exchanger including a first nose and a second nose aligned on an axis along a width of the heat exchange tube; an end port immediately adjacent to the first nose; wherein the end port has a non-circular, polygonal shape.

Microchannel heat exchanger

A microchannel heat exchanger having: fin segments defined between lower and upper fin tips; at each fin tip, the fin segments have inner and outer facing surfaces; each fin segment having louvers having: an upper transition region at an upper louver end, adjacent an upper fin tip; a lower transition region at a lower louver end, adjacent a lower fin tip; and a straight region extending therebetween, wherein: the transition regions along the inner facing surface at each fin tip have a first transition surface having a first transition length, disposed at a first transition angle; the transition regions along the outer facing surface at each fin tip have a second transition surface having a second transition length, disposed at a second transition angle; wherein: the first transition length is longer than the second transition length; and/or the first transition angle is smaller than the second transition angle.

Microchannel heat exchanger for a furnace

A heat exchanger is disclosed. The heat exchanger includes a hollow tube extending from a tube inlet to a tube outlet. The hollow tube includes a wall that includes a core of a first aluminum alloy, and a cladding over the core of a second aluminum alloy. The second aluminum alloy is less noble than the first aluminum alloy and includes an alloying element selected from tin, indium, or gallium, or combinations thereof. A first fluid flow path is disposed along an inner surface of the wall from the tube inlet to the tube outlet, and a second fluid flow path is disposed across an outer surface of the wall.

Heat exchanger with aluminum alloy clad tube and method of manufacture

A heat exchanger includes a plurality of heat exchange tube segments defining a plurality of fluid pathways therein and a plurality of fins disposed between adjacent heat exchange tube segments of the plurality of heat exchange tube segments. A bend is formed in the plurality of heat exchange tube segments defining a first portion of the heat exchanger located at a first side of the bend, and a second portion of the heat exchanger located at a second side of the bend opposite the first side. A support is positioned at or near the bend, the support including and includes a support base and at least one support finger extending from the support base and into a gap between adjacent heat exchange tube segments of the plurality of heat exchange tube segments.

Microchannel heat exchanger tube supported bracket

A refrigerant vapor compression system includes a compression device having at least a first compression stage and a second compression stage arranged in series refrigerant flow relationship. A first refrigerant heat rejection heat exchanger is disposed downstream with respect to refrigerant flow of the second compression stage. A first refrigerant intercooler is disposed intermediate the first compression stage and the second compression stage. The first refrigerant intercooler is disposed downstream of the first refrigerant heat rejection heat exchanger with respect to the flow of the first secondary fluid. An economizer includes a vapor line in fluid communication with a suction inlet to the second compression stage. A second refrigerant heat rejection heat exchanger is disposed intermediate with respect to refrigerant flow of the second compression stage and the first refrigerant heat rejection heat exchanger. A second refrigerant intercooler is disposed intermediate the first compression stage and the second compression.

Refrigerant vapor compression system

A compact heat exchanger assembly for a refrigeration system includes a heat rejection heat exchanger assembly and a heat absorption heat exchanger assembly. The heat rejection heat exchanger assembly includes a primary heat exchanger and a secondary heat exchanger. The primary heat exchanger has a tube bank extending between a first manifold and a second manifold. The tube bank being provided with at least one bend such that the primary heat exchanger has a generally curvilinear shape. The secondary heat exchanger is disposed between the first manifold and the second manifold.

Compact heat exchanger assembly for a refrigeration system

Disclosed is a shell-and-tube heat exchanger assembly, having: a first tubesheet configured for being secured to a shell of the shell-and-tube heat exchanger assembly, the first tubesheet including: a first section and a second section; the second section configured to be secured to a first shell end of the shell; and the first section including a plurality of holes configured to support a respective plurality of aluminum tubes extending through the shell, wherein the first section is configured to limit a galvanic response of the plurality of aluminum tubes when exposed to a chiller water.

Shell and tube heat exchanger with compound tubesheet

A heat exchanger includes a body portion and a pair of end plates at least partially forming an enclosure with the body portion. A plurality of tubes extend through at least one of the body portion and the pair of end plates. At least one tube sheet includes a plurality of openings with a corresponding one of the plurality of tubes located in one of the plurality of openings. The tube sheet is made of a material which expands in the presence of refrigerant.

Heat exchanger and associated tube sheet

A shell-and-tube heat exchanger and an air conditioning system. The shell-and-tube heat exchanger includes: a shell provided with a liquid inlet and an vapor outlet, the vapor outlet being disposed at an top portion of the shell; and a heat exchange tube bundle disposed in the shell in an axial direction of the shell; wherein the heat exchange tube bundle includes: a plurality of first heat exchange tubes located at an upper portion, the first heat exchange tubes having a first spacing therebetween; and a plurality of second heat exchange tubes located at a lower portion, the second heat exchange tubes having a second spacing therebetween; the first spacing is different from the second spacing.

Shell-and-tube heat exchanger and air conditioning system

Disclosed is a multiport distributor comprising: an elongated member comprising a plurality of inlet ports disposed along a first end of the elongated member, a plurality of first outlet ports disposed along a face of the elongated member, and a plurality of fluid passages disposed within the elongated member and extending between the plurality of inlet ports and the plurality of first outlet ports, wherein the plurality of fluid passages are substantially parallel to one another and configured to convey a fluid in a first direction, wherein the plurality of first outlet ports are configured to direct a fluid passing therethrough in a second direction, wherein the second direction is substantially perpendicular to the first direction.

Multiport fluid distributor and microchannel heat exchanger having the same

A method is provided for manufacturing a manifold assembly with internal fluid communication between a first manifold defining a first fluid chamber and a second manifold defining a second fluid chamber of the manifold assembly, the first manifold and the second manifold joined in parallel relationship along a longitudinally extending interface between a wall of the first manifold and a wall of the second manifold. The method includes: forming a first access port in a wall of one of the first manifold and the second manifold diametrically opposite the interface; forming a first fluid communication port extending through a wall of the first manifold and a wall of the second manifold at the interface and defining a first fluid passage between the first and second fluid chambers; and sealingly plugging the access port.

Method for manufacturing a multiple manifold assembly having internal communication ports

A heat exchanger is provided including a first manifold, a second manifold separated from the first manifold, and a plurality of heat exchanger tubes arranged in spaced parallel relationship fluidly coupling the first and second manifolds. A first end of each heat exchange tube extends partially into an inner volume of the first manifold and has an inlet formed therein. A distributor is positioned within the inner volume of the first manifold. At least a portion of the distributor is arranged within the inlet formed in the first end of one or more of the plurality of heat exchange tubes.

Low refrigerant charge microchannel heat exchanger

An air-cooled chiller system includes a heat exchanger including a first tube bank including at least a first and a second flattened tube segments extending longitudinally in spaced parallel relationship; a second tube bank including at least a first and a second flattened tube segments extending longitudinally in spaced parallel relationship, the second tube bank disposed behind the first tube bank with a leading edge of the second tube bank spaced from a trailing edge of the first tube bank; a fan creating an airflow across the first heat exchanger, the airflow flowing over the first tube bank prior to flowing over the second tube bank, wherein refrigerant flows in the heat exchanger in a cross-counterflow direction opposite that of the airflow direction.

Heat exchanger for air-cooled chiller

A multiple bank, flattened tube heat exchange unit includes a first tube bank including a plurality of flattened tube segments extending longitudinally in spaced parallel relationship between a first manifold and a second manifold and a second tube bank including a plurality of flattened tube segments extending longitudinally in spaced parallel relationship between a first manifold and a second manifold, the second tube bank disposed behind the first tube bank. The second manifold of the first tube bank and the second manifold of the second tube bank form a manifold assembly wherein an interior volume of the second manifold of the first tube bank and an interior volume of the second manifold of the second tube bank of the manifold assembly are internally connected in fluid communication.

Multiple tube bank heat exchange unit with manifold assembly

Growing community of inventors

Easthampton, MA, United States of America

Tobias H Sienel