# US 2008/0185133 A1 · Vehicle body mounting configuration including exhaust system heat exchanger > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2008/0185133 A1 - Document ID: US20080185133A1 - Status: Published application - Kind: A1 - Application number: 12/007,677 - Filed: 2008-01-14 - Published: 2008-08-07 - Earliest claimed: 2007-02-05 - Assignees: Toyota Jidosha Kabushiki Kaisha - Inventors: Tomoki Mabuchi; Hisashi Nishino - Web page: https://patentgrep.com/patent/US20080185133A1 ## CPC - B60K 13/04: concerning exhaust - F28D 7/106: {consisting of two coaxial conduits or modules of two coaxial conduits} - F28F 1/08: Tubular elements crimped or corrugated in longitudinal section - F01N 13/1805: {Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body (pipe joints in general F16L; fixing auxiliaries in motor vehicles in general B60K)} - F01N 2240/02: a heat exchanger - B60K: ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES - F28D: HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT (fluid heaters having heat generating means and heat transferring means F24H; furnaces F27; details of heat-exchange apparatus of general) - F28F: DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION (water and air traps, air venting F16) - F01N: GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES (arrangements in connection with gas exhaust of propulsion units in vehicles B60K13/00; combustion-air intake silencers specially adapted for, or arranged on, internal-combustion engines F02M35/00; protecting against, or damping, noise in general G10K11/16) ## Abstract A vehicle body mounting configuration is obtained which can properly mount an exhaust system heat exchanger on a vehicle body. The configuration includes an exhaust system heat exchanger which extends in a vehicle front-rear direction, a floor tunnel which opens downwards in a vehicle vertical direction, a body cross member which bridges wall portions of the floor tunnel, and a support portion which supports in a suspending fashion the exhaust system heat exchanger relative to the body cross member. The body cross member overlaps at an upper side in the vehicle vertical direction relative to a partition wall pipe which lies outside of a range where a cooling medium flow path is placed in a longitudinal direction, and the support portion is fixed, respectively, to the exhaust gas exhaust portion of the partition wall pipe and the body cross member. ## Claims ### Claim 1 A vehicle body mounting configuration including an exhaust system heat exchanger, comprising: an exhaust system heat exchanger which is extended in a vehicle front-rear direction so as to allow heat exchange to take place between exhaust gas flowing through an exhaust gas flow path and a cooling medium flowing through a cooling medium flow path; a tunnel portion which opens downwards in a vehicle vertical direction and extends in a vehicle front-rear direction and in which at least part of the exhaust system heat exchanger is placed inside; a cross member which extends in a vehicle width direction and which bridges wall portions of the tunnel portion which face each other in a vehicle width direction at an upper side in a vehicle vertical direction relative to a portion of the exhaust system heat exchanger which lies outside, in a longitudinal direction, of a range where the cooling medium flow path is placed; and a suspending support unit which is fixed at one end to a portion of the exhaust system heat exchanger at a lower side in a vehicle vertical direction of the cross member, and is fixed at the other end to the cross member so as to support the exhaust system heat exchanger on the cross member in a suspending fashion. ### Claim 2 (depends on 1) The vehicle body mounting configuration including an exhaust system heat exchanger according to claim 1, wherein the cross member forms a closed cross-sectional structure at least part of a portion which is positioned at the upper side in the vehicle vertical direction relative to the exhaust system heat exchanger. ### Claim 3 A vehicle body mounting configuration including an exhaust system heat exchanger, comprising: an exhaust system heat exchanger which is extended in a vehicle front-rear direction so as to allow heat exchange to take place between exhaust gas flowing through an exhaust gas flow path and a cooling medium flowing through a cooling medium flow path; a tunnel portion which opens downwards in a vehicle vertical direction and extends in a vehicle front-rear direction and in which at least part of the exhaust system heat exchanger is placed inside; and a cross member which extends in a vehicle width direction and which bridges wall portions of the tunnel portion which face each other in a vehicle width direction and forms a closed cross-sectional structure at an upper side in a vehicle vertical direction relative to a portion of the exhaust system heat exchanger which lies outside, in a longitudinal direction, of a range where the cooling medium flow path is placed. ### Claim 4 (depends on 1) The vehicle body mounting configuration including an exhaust system heat exchanger according to claim 1, wherein the exhaust system heat exchanger is disposed in such a manner that a lowermost portion in the vehicle vertical direction is positioned at one end in a longitudinal direction, and the vehicle body mounting configuration further comprises a fuel tank which is disposed closer to the one end than a central position in a longitudinal direction of the exhaust system heat exchanger and is positioned to project further downwards in the vehicle vertical direction than the lowermost portion in the vehicle vertical direction of the exhaust system heat exchanger. ### Claim 5 (depends on 2) The vehicle body mounting configuration including an exhaust system heat exchanger according to claim 2, wherein the exhaust system heat exchanger is disposed in such a manner that a lowermost portion in the vehicle vertical direction is positioned at one end in a longitudinal direction, and the vehicle body mounting configuration further comprises a fuel tank which is disposed closer to the one end than a central position in a longitudinal direction of the exhaust system heat exchanger and is positioned to project further downwards in the vehicle vertical direction than the lowermost portion in the vehicle vertical direction of the exhaust system heat exchanger. ### Claim 6 (depends on 3) The vehicle body mounting configuration including an exhaust system heat exchanger according to claim 3, wherein the exhaust system heat exchanger is disposed in such a manner that a lowermost portion in the vehicle vertical direction is positioned at one end in a longitudinal direction, and the vehicle body mounting configuration further comprises a fuel tank which is disposed closer to the one end than a central position in a longitudinal direction of the exhaust system heat exchanger and is positioned to project further downwards in the vehicle vertical direction than the lowermost portion in the vehicle vertical direction of the exhaust system heat exchanger. ### Claim 7 A vehicle body mounting configuration including an exhaust system heat exchanger, comprising: an exhaust system heat exchanger which is extended in a vehicle front-rear direction and is disposed in such a manner that a lowermost portion in a vehicle vertical direction is positioned at one end in a longitudinal direction; and a fuel tank which is disposed closer to the one end than a central position in a longitudinal direction of the exhaust system heat exchanger so that a lowermost portion in a vehicle vertical direction projects further downwards in a vehicle vertical direction than the one end of the exhaust system heat exchanger. ### Claim 8 (depends on 4) The vehicle body mounting configuration including an exhaust system heat exchanger according to claim 4, wherein the fuel tank is configured such that a tank main body which stores fuel therein comprises a resin material. ### Claim 9 (depends on 5) The vehicle body mounting configuration including an exhaust system heat exchanger according to claim 5, wherein the fuel tank is configured such that a tank main body which stores fuel therein comprises a resin material. ### Claim 10 (depends on 6) The vehicle body mounting configuration including an exhaust system heat exchanger according to claim 6, wherein the fuel tank is configured such that a tank main body which stores fuel therein comprises a resin material. ### Claim 11 (depends on 7) The vehicle body mounting configuration including an exhaust system heat exchanger according to claim 7, wherein the fuel tank is configured such that a tank main body which stores fuel therein comprises a resin material. ### Claim 12 (depends on 4) The vehicle body mounting configuration including an exhaust system heat exchanger according to claim 4, wherein the exhaust system heat exchanger is disposed inclined relative to the vehicle front-rear direction in such a manner that the one end in the longitudinal direction is positioned further downwards in the vehicle vertical direction than the other end in the longitudinal direction, and the other end in the longitudinal direction is disposed at the upper side of a vehicle body framework which extends in the vehicle width direction. ### Claim 13 (depends on 5) The vehicle body mounting configuration including an exhaust system heat exchanger according to claim 5, wherein the exhaust system heat exchanger is disposed inclined relative to the vehicle front-rear direction in such a manner that the one end in the longitudinal direction is positioned further downwards in the vehicle vertical direction than the other end in the longitudinal direction, and the other end in the longitudinal direction is disposed at the upper side of a vehicle body framework which extends in the vehicle width direction. ### Claim 14 (depends on 6) The vehicle body mounting configuration including an exhaust system heat exchanger according to claim 6, wherein the exhaust system heat exchanger is disposed inclined relative to the vehicle front-rear direction in such a manner that the one end in the longitudinal direction is positioned further downwards in the vehicle vertical direction than the other end in the longitudinal direction, and the other end in the longitudinal direction is disposed at the upper side of a vehicle body framework which extends in the vehicle width direction. ### Claim 15 (depends on 7) The vehicle body mounting configuration including an exhaust system heat exchanger according to claim 7, wherein the exhaust system heat exchanger is disposed inclined relative to the vehicle front-rear direction in such a manner that the one end in the longitudinal direction is positioned further downwards in the vehicle vertical direction than the other end in the longitudinal direction, and the other end in the longitudinal direction is disposed at an upper side of a vehicle body framework which extends in the vehicle width direction. ### Claim 16 (depends on 8) The vehicle body mounting configuration including an exhaust system heat exchanger according to claim 8, wherein the exhaust system heat exchanger is disposed inclined relative to the vehicle front-rear direction in such a manner that the one end in the longitudinal direction is positioned further downwards in the vehicle vertical direction than the other end in the longitudinal direction, and the other end in the longitudinal direction is disposed at the upper side of a vehicle body framework which extends in the vehicle width direction. ### Claim 17 (depends on 9) The vehicle body mounting configuration including an exhaust system heat exchanger according to claim 9, wherein the exhaust system heat exchanger is disposed inclined relative to the vehicle front-rear direction in such a manner that the one end in the longitudinal direction is positioned further downwards in the vehicle vertical direction than the other end in the longitudinal direction, and the other end in the longitudinal direction is disposed at the upper side of a vehicle body framework which extends in the vehicle width direction. ### Claim 18 (depends on 10) The vehicle body mounting configuration including an exhaust system heat exchanger according to claim 10, wherein the exhaust system heat exchanger is disposed inclined relative to the vehicle front-rear direction in such a manner that the one end in the longitudinal direction is positioned further downwards in the vehicle vertical direction than the other end in the longitudinal direction, and the other end in the longitudinal direction is disposed at the upper side of a vehicle body framework which extends in the vehicle width direction. ### Claim 19 (depends on 11) The vehicle body mounting configuration including an exhaust system heat exchanger according to claim 11, wherein the exhaust system heat exchanger is disposed inclined relative to the vehicle front-rear direction in such a manner that the one end in the longitudinal direction is positioned further downwards in the vehicle vertical direction than the other end in the longitudinal direction, and the other end in the longitudinal direction is disposed at an upper side of a vehicle body framework which extends in the vehicle width direction.