Hyundai Motor Company

Kia Motors Corporation

Sejong Ind. Co., Ltd

Jong-Ho Seon

Ho-Chan An

Chul-Min Park

Seung-Hwan Lim

Jae-Yeon Kim

Jin-Yong Kim

Ho-Cheol Seo

Gyu-Jun Kim

Sung-Ool Jang

Tae-Yeong Byoen

A rear spoiler for a muffler of a vehicle includes fixing units, mounted to a left side and a right side of the muffler, and locking units, formed at a left side and a right side of a spoiler body so as to be locked to the fixing units. Each of the locking units includes an elastic support portion, which has a fixing hook and a bolt hole formed below the fixing hook. Each of the fixing units also includes a bracket mounted to the muffler, a first hole through which the fixing hook passes, a second hole in which the fixing hook that has passed through the first hole is fitted, a bolt hole formed below the first and second holes, and a bolt fastened into the bolt hole formed in the bracket via the bolt hole formed in the elastic support portion.

Rear spoiler for muffler

An operating structure of an exhaust heat recovery device may include a bypass valve rotatable about a rotation shaft to open and close a bypass passage; a heat exchanger communicating with the bypass passage, a valve actuator inserted into the heat exchanger, and having a piston moved upward and downward depending on a temperature of coolant; a guide unit in which an end of the piston is slidably inserted, and at which an end of a rod is slidably inserted; a displacement transmission medium accommodated in the guide unit, and moved along with the piston; a link unit rotatably connected to the bypass valve and the rod, and converting sliding motion of the rod into rotation of the bypass valve; and an elastic restoring unit operating the rod so that the rod is inserted into the guide unit, or operating the bypass valve so that the bypass valve is closed.

Operating structure of exhaust heat recovery device with embedded valve actuator

A rotary exhaust heat recovery apparatus may include an exhaust gas pipe including a bypass path into which a high-temperature exhaust gas is introduced and bypassed and an extension part extending from a side of the bypass path in a semi-cylindrical shape to allow the exhaust gas to pass and a semi-cylindrical heat exchanger rotatably accommodated within the exhaust gas pipe, allowing heat exchange to be performed between the high-temperature exhaust gas supplied from the bypass path and a low-temperature coolant introduced through a coolant inlet, in which a side surface of the heat exchanger includes a diameter surface formed as a flat surface and an arc surface formed as a curved surface, and the diameter surface of the heat exchanger has a surface with a rotation axis of the heat exchanger as a reference thereof which is closed and another surface provided with exhaust gas inlets.

Rotary-type exhaust heat recovery apparatus

An exhaust heat recovery apparatus may include a bypass valve that is rotatably provided on a bypass path through which a high-temperature exhaust gas passes to open or close the bypass path, a heat exchanger that is communicatively connected to the bypass path to allow heat exchange to be performed between the high-temperature exhaust gas supplied from the bypass path and a low-temperature coolant introduced through a coolant inlet when the bypass path is closed, a valve actuator including a rod moved up and down by expansion or contraction of a wax sealed therein, and a connection part that converts an up and down motion of the rod into a rotary motion to allow the bypass valve to open or close the bypass path along with movement of the rod.

Apparatus for exhaust heat recovery with embedded valve actuator

A structure of a dual exhaust system for a cylinder deactivation (CDA) engine, may include two inlet pipes, two outlet pipes, each of which protrudes and extends from an inside of a corresponding main muffler to an outside of the corresponding main muffler, wherein each of the two outlet pipes releases the exhaust gas passing through the corresponding main muffler to an outside of the vehicle therethrough, a connecting pipe disposed in a vehicle width direction and connecting between the two main mufflers, and a valve mounted on one outlet pipe of the two outlet pipes to open and close the one outlet pipe, wherein when the valve may be closed, the exhaust gas passing through one of the main mufflers may be introduced into the other main muffler of the two outlet pipes through the connecting pipe and then may be emitted to the outside of the vehicle.

Structure of dual exhaust system for CDA engine

A structure of an exhaust system for a CDA engine may include three baffles coupled in a main muffler in a lateral direction, and dividing an interior of the main muffler into a first space, a second space, a third space, and a fourth space, a first connecting pipe disposed outside the main muffler, connecting the second space and the third space and having a passage in which exhaust gas flows, a second connecting pipe disposed outside the main muffler, connecting the second space and the third space, and having a passage in which the exhaust gas flows, a first valve coupled to the passage of the first connecting pipe, and a second valve coupled to the passage of the second connecting pipe.

Structure of exhaust system for CDA engine

A structure of an exhaust system for a cylinder deactivation (CDA) engine may include first, second and third baffles which are coupled in a main muffler, and divide an interior of the main muffler into first, second, third and fourth spaces respectively, a connecting pipe which connects the second space and the third space of the main muffler, and has a passage in which the exhaust gas flows, a first valve coupled to the passage of the connecting pipe to open and close the passage of the connecting pipe, and a second valve openably and closably coupled to the second baffle disposed between the second space and the third space, wherein the first baffle coupled between the first space and the second space, and the third baffle coupled between the third space and the fourth space, have a plurality of holes so that the exhaust gas flows therethrough.

A structure for utilizing exhaust heat of a vehicle is provided. The structure includes a first part that has an exhaust pipe in which exhaust gas having a predetermined temperature passes through and which is heated by exchanging heat with the exhaust gas. A bypass passageway is installed within the exhaust pipe and the exhaust gas is bypassed through the bypass passageway. A thermoelectric element is attached to an exterior of the exhaust pipe, formed by bonding a P-type semiconductor and an N-type semiconductor, and produces electricity using a thermoelectric effect. A second part is attached to the exterior of the thermoelectric element and coolant flows therein. A first exhaust gas passageway is installed in the second part in a longitudinal direction and the exhaust gas passes through the first exhaust gas passageway to heat the coolant.

Structure for utilizing exhaust heat of vehicle

A thermoelectric generator apparatus may include a high temperature member having an exhaust pipe, a ring-shaped first heat transfer plate surrounding the exhaust pipe, and a plurality of first heat exchange pins radially extending outwards from the first heat transfer plate in a predetermined degree, a low temperature member having an internal casing surrounding the exhaust pipe, an external casing surrounding the internal casing with a predetermined gap, a ring-shaped second heat transfer plate contacting with an internal wall of the internal casing, and a plurality of second heat exchange pins radially extending inwards from the second heat transfer plate in a predetermined angle, and a plurality of thermoelectric modules being in contact with the first heat exchange pins and the second heat exchange pins so as to generate electricity using a thermoelectric phenomenon caused by a temperature gap between the first heat exchange pins and the second heat exchange pins.

Thermoelectric generator of vehicle

A thermoelectric generator apparatus of a vehicle may include a high temperature member, through which exhaust gas passes, a low temperature member, which maintains a temperature lower than a temperature of the high temperature member, and which includes a first coolant pipe holder supporting one of coolant pipes, a heat transfer plate which extends from the first pipe holder and may be located opposite to a corresponding high-temperature member, and a second coolant pipe holder formed on the other side of the heat transfer plate and supporting another of the coolant pipes, and a thermoelectric module disposed between the high temperature member and the low temperature member.

A thermoelectric generator of a vehicle converts thermal energy of exhaust gas of an engine into electric energy by using a thermoelectric phenomenon, and may include: a high-temperature part heated by exchange heat and a plurality of pairs of heat transfer plates mounted on an outer peripheral surface of an exhaust pipe at a predetermined interval; pairs of thermoelectric modules acquired by bonding a P-type semiconductor and an N-type semiconductor, interposed between the pairs of heat transfer plates to generate electricity, and electrically connected to each other; and a low-temperature part interposed between the pairs of thermoelectric modules and cooling inner surfaces of the pairs of thermoelectric modules. The plurality of thermoelectric modules generates electricity by a difference in temperature between heated outer surfaces and cooled inner surfaces. Thermoelectric efficiency is improved and a small-sized thermoelectric generator of a vehicle may be implemented.

A structure for operating a system for utilizing exhaust heat of a vehicle may include a high-temperature part with an exhaust pipe and a bypass passage installed in the exhaust pipe, a thermoelectric element attached to an exterior of the exhaust pipe for generating electricity, a low-temperature part attached to an exterior of the thermoelectric element for flowing a coolant, a first exhaust gas passage installed in the low-temperature part and having both ends connected to the exhaust pipe, a first valve to selectively open or close the first exhaust gas passage, a second exhaust gas passage formed in a space between the inner circumferential surface of the exhaust pipe and an outer circumferential surface of the bypass passage, a second valve disposed at a rear end of the bypass passage, coupled to a valve shaft and rotatable on the basis of the valve shaft, and an operating unit.

Structure for operating system for utilizing exhaust heat of vehicle

In one embodiment, a thermoelectric generator for a vehicle is provided. In particular, a thermoelectric generator is provided that includes a thermoelectric generating unit which is mounted between an exhaust gas inlet pipe through which an exhaust gas flows within and an exhaust gas outlet pipe through which the exhaust gas is discharged. The thermoelectric generating unit also includes a coolant inlet formed on one side thereof and a coolant outlet formed on the other side. More specifically, the thermoelectric generator is formed by assembling a plurality of unit modules which each have thermoelectric elements.

Accumulated type thermoelectric generator for vehicle

A thermoelectric generator for a vehicle is mounted at an exhaust pipe and produces electricity using a temperature difference between the exhaust gas and coolant. The generator includes: a housing; thermoelectric modules mounted at an outer circumferential surface of the housing; a plurality of coolant tubes mounted so as to closely attach the thermoelectric module to the housing; first coolant containers mounted at both ends of the coolant tubes, respectively; and second coolant containers mounted at both ends of the coolant tubes, respectively. The coolant tubes are assembled to the first and second coolant containers as a modularized type, and thus assemblability may be improved and partial replacement of components in case of breakdown may be easily performed. In the coolant tube of the present invention, heat exchange is concentratedly performed at a portion in contact with the thermoelectric module, and thus generation efficiency may be more improved.

Growing community of inventors

Seoul, South Korea

Jong-Ho Seon