HEAT EXCHANGER WITH AN IMPROVED CONNECTOR FOR AN AIR CONDITIONING CIRCUIT OF A MOTOR VEHICLE

• US 20110284196A1
• Filed: 11/23/2009
• Published: 11/24/2011
• Est. Priority Date: 11/24/2008
• Status: Abandoned Application

• Current Assignee: Dytech Dynamic Fluid Technologies SPA
• Original Assignee: Dytech Dynamic Fluid Technologies SPA
• Inventors: Zanadi, Mariofelice
• Application Number:
  US13/130,616
• Publication Number:
  US 20110284196A1
• Time in Patent Office: Days
• US Class Current: 165/178
• CPC Class Codes: B60H 1/00342 of the liquid-liquid type
• CPC Class Codes: F16L 37/56 for double-walled or multi-channel pipes or pipe assemblies
• CPC Class Codes: F16L 39/00 Joints or fittings for double-walled or multi-channel pipes or pipe assemblies
• CPC Class Codes: F16L 39/02 for hoses
• CPC Class Codes: F25B 40/00 Subcoolers, desuperheaters or superheaters
• CPC Class Codes: F28D 7/106 consisting of two coaxial conduits or modules of two coaxial conduits
• CPC Class Codes: F28D 7/14 both tubes being bent
• CPC Class Codes: F28F 2255/16 extruded
• CPC Class Codes: F28F 2275/085 with snap connection
• CPC Class Codes: F28F 9/0253 with multiple channels, e.g. with combined inflow and outflow channels
• CPC Class Codes: F28F 9/0258 of quick acting type, e.g. with snap action

Abstract

A heat exchanger for an air conditioning circuit of a motor vehicle, comprises a body defining a central duct having an axis and a plurality of peripheral ducts surrounding the central duct and at least one connector defining a first port fluidically connected to the central duct and a second port fluidically connected to the peripheral ducts, so that the central duct and the peripheral ducts are fluidically insulated. In particular, the connector comprises a tubular portion fluid-sealingly housed within the central duct and fluidically connected to the first port and defines a chamber surrounding the tubular portion and fluidically connected between the peripheral ducts and the second port.

Claims

1. A heat exchanger for an air conditioning circuit of a motor vehicle, comprising a body defining a central duct having an axis and a plurality of peripheral ducts surrounding said central duct and at least one connector defining a first port fluidically connected to said central duct and a second port fluidically connected to said peripheral ducts so that said central duct and said peripheral ducts are fluidically insulated, characterized in that said connector comprises a tubular portion which is fluid-sealingly housed within said central duct and fluidically connected with said first port and defines a chamber fluidically connected between said peripheral ducts and said second port.

2. The heat exchanger according to claim 1, characterized in that said first port is concentrical to said tubular portion and in that said second port is arranged radially.

3. The exchanger according to claim 1, characterized in that it comprises a sleeve concentrical to said tubular portion and surrounding an outer wall of said body, said sleeve being rigidly connected and fluid sealed to said outer wall.

4. The exchanger according to claim 3, characterized in that said chamber is defined in a radial direction at least by said tubular portion and by said sleeve.

5. The exchanger according to claim 3, characterized in that it is snap-fitted to said outer wall and in that it comprises sealing means interposed between said outer wall and said sleeve.

6. The exchanger according to claim 3, characterized in that said tubular portion and said sleeve are integral.

7. The heat exchanger according to claim 1, characterized in that said connector is made by plastic deformation.

8. The heat exchanger according to claim 1, characterized in that said connector is rigidly connected to said body by means of a process selected among crimping and a magnetic welding.

9. A fluidic assembly for connecting at least two among a compressor, an evaporator, an expander assembly and a condenser of an air-conditioning circuit of a motor vehicle, characterized in that it comprises an exchanger according to claim 1.

10. An air conditioning circuit for a motor vehicle comprising an exchanger according to any of claim 1.