Heat shield assembly and motor system

Abstract

Thermal shield assembly, comprising: a first heat shield configured to be coupled with a first section of an exhaust system; a second heat shield with a first end and a second end opposite the first end, wherein the first end of the second heat shield is coupled to the first heat shield and the second heat shield is configured to be coupled to a second section of the exhaust system adjacent to the first section; and a third heat shield coupled to the second end of the second heat shield, the second heat shield being configured to be coupled to a third section of the exhaust system adjacent to the second section.

Description

TECHNICAL AREA

[0001] The present application relates generally to a heat shield assembly for use with a motor system (e.g., an internal combustion engine system, etc.). STATE OF THE ART

[0002] Internal combustion engines (ICEs), such as gasoline ICEs, hydrogen ICEs (H2), and diesel ICEs, burn a mixture of fuel (e.g., diesel, gasoline, natural gas, etc.) and air in a combustion chamber and then release exhaust gases. The combustion of the air-fuel mixture causes the piston to move, which in turn turns a crankshaft to generate energy (e.g., to power a vehicle, operate equipment, etc.). A turbocharger may be connected to the exhaust system to use the exhaust flow to compress air for the engine. The engine can generate heat through the combustion process, the exhaust, and the turbocharger. SUMMARY

[0003] In one embodiment, a heat shield assembly comprises a first heat shield coupled to a first section of an exhaust system, and a second heat shield having a first end and a second end opposite the first end. The first end of the second heat shield is coupled to the first heat shield. The second heat shield is coupled to the second section of the exhaust system, which adjoins the first section. The heat shield assembly further comprises a third heat shield coupled to the second end of the second heat shield. The third heat shield is coupled to a third section of the exhaust system, which adjoins the second section.

[0004] In a further embodiment, an engine system comprises an engine and an exhaust system liquid-coupled to the engine. The exhaust system comprises a first section, a second section adjacent to the first section, and a third section adjacent to the second section. The engine system further comprises a heat shield assembly with a first heat shield coupled to the first section and a second heat shield coupled to the second section. The second heat shield comprises a first end and a second end opposite the first end. The second heat shield is coupled to the first heat shield at its first end. The heat shield assembly further comprises a third heat shield coupled to the third section. The third heat shield is coupled to the second heat shield at its second end. BRIEF DESCRIPTION OF THE DRAWINGS

[0005] The details of one or more implementations are set forth in the accompanying drawings and the description below. Further features, aspects, and advantages of the disclosure will become apparent from the description, the drawings, and the claims, in which: Fig. 1 shows a perspective partial view of an example motor system with a heat shield assembly; Fig. 2 a first perspective view of the heat shield assembly from Fig. 1 shows a first heat shield, a second heat shield, a third heat shield, a fourth heat shield and a fifth heat shield; Fig. 3 a second perspective view of the heat shield assembly from Fig. 2 shows; Fig. 4 is a first side view of the heat shield assembly made of Fig. 2 and Fig. 3; Fig. 5 is a second side view of the heat shield assembly made of Fig. 2-4; Fig. Figure 6 is a first perspective view of the first heat shield, the second heat shield, and the third heat shield; Fig. Figure 7 is a second perspective view of the first heat shield, the second heat shield, and the third heat shield; Fig. Figure 8 is a perspective view of the first heat shield, the second heat shield, the fourth heat shield, and the fifth heat shield; Fig. Figure 9 is a front view of the second heat shield and the third heat shield; Fig. 10 is a perspective partial view of a turbocharger of the engine and the fourth heat shield; Fig. Figure 11 is a perspective view of the turbocharger and the fifth heat shield; Fig. Figure 12 is a perspective partial view of the first heat shield, the second heat shield, the fourth heat shield, and the fifth heat shield; Fig. 13 is a front top view of a heat shield assembly according to one embodiment; Fig. Figure 14 is a perspective view of the underside of the heat shield assembly. Fig. 13; Fig. Figure 15 is a left vertical view of the heat shield assembly made of Fig. 13; Fig. Figure 16 is a right-hand vertical view of the heat shield assembly made of Fig. 13; Fig. 17 is a front vertical view of the heat shield assembly made of Fig. 13; Fig. Figure 18 is a rear vertical view of the heat shield assembly made of Fig. 13; Fig. 19 is a top view of the heat shield assembly made of Fig. 13; and Fig. 20 is a bottom view of the heat shield assembly made of Fig. 13.

[0006] It should be noted that the figures are schematic representations for illustrative purposes. The figures serve to depict one or more implementations, and it is expressly understood that the figures are not used to limit the scope or meaning of the claims. DETAILED DESCRIPTION

[0007] The following section describes various concepts related to a heat shield assembly and a motor system, as well as their implementations. The concepts presented above and explained below can be implemented in different ways, as they are not limited to a specific implementation method. Examples of specific implementations and applications are provided primarily for illustrative purposes.

[0008] Fig. Figure 1 shows an engine system 100. The engine system 100 comprises an engine 102 and an exhaust system 104, which is fluidly coupled to the engine 102. The exhaust system 104 comprises a first section 110, a second section 112 adjacent to the first section 110, and a third section 114 adjacent to the second section 112. The engine system 100 further comprises a heat shield assembly 120. The heat shield assembly 120 comprises a first heat shield 122 coupled to the first section 110 and a second heat shield 124 coupled to the second section 112. The second heat shield 124 comprises a first end 126 and a second end 128, which is opposite the first end 126. The second heat shield 124 is coupled to the first heat shield 122 at its first end 126. The heat shield assembly 120 further comprises a third heat shield 130, which is coupled to the third section 114.The third heat shield 130 is coupled to the second heat shield 124 at the second end 128.

[0009] Engine 102 can be an internal combustion engine, such as a gasoline engine or a diesel engine. Examples of Engine 102 include a hydrogen engine, a diesel engine, a gasoline engine, a propane engine, a dual-fuel engine, a natural gas engine, etc. Engine 102 is configured to take in a liquid mixture of fuel from a fuel source (e.g., a fuel tank, etc.) and air from an air source (e.g., an air intake, etc.) and combust this mixture to generate energy that can be used in various ways. For example, Engine 102 can generate energy to power a moving element (e.g., a wheel, conveyor belt, propeller, impeller, turbine, rotor, etc.) or to power a generator. Engine 102 can be implemented in a vehicle (e.g., a truck, car, construction vehicle, freight vehicle, utility vehicle, emergency vehicle, military vehicle, marine vessel, etc.).In some embodiments, the motor system 100 may include a fuel cell and / or an electric motor, which are used in combination with the motor 102 to generate energy.

[0010] The exhaust system 104 is configured to receive the exhaust gases from the engine 102 and release them into the environment (e.g., the atmosphere, etc.). The exhaust system 104 may include an exhaust aftertreatment system (e.g., an aftertreatment system, etc.) configured to treat the exhaust gas received by the exhaust system 104 from the engine 102 to reduce nitrogen oxide (NOx) emissions. x ) to reduce the impact on the surrounding area.

[0011] The engine system 100 may further include a control unit that is electrically or communicatively coupled to other components of the engine system 100 (e.g., the engine 102, the exhaust system 104, etc.). The control unit may include a processing circuit. The processing circuit may include a processor and a memory. The processor may include a microprocessor, an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA), etc., or combinations thereof. The memory may include, among other things, electronic, optical, magnetic, or other storage or transmission devices capable of providing program instructions to a processor, ASIC, FPGA, etc.

[0012] As in the Fig. As shown in Figures 2-5, 8 and 10, the heat shield assembly 120 can further comprise a fourth heat shield 132, which is coupled to the motor 102 (e.g., mechanically coupled, via fasteners, welded, etc.) and decoupled from the first heat shield 122, the second heat shield 124 and the third heat shield 130. The fourth heat shield 132 does not touch the first heat shield 122, the second heat shield 124 or the third heat shield 130.

[0013] As in the Fig. 1, Fig. 8, Fig. 10 and Fig. As shown in Figure 11, the engine system 100 can further comprise a turbocharger 134. The turbocharger 134 is fluidly coupled to the exhaust system 104. The heat shield assembly 120 can further comprise a fifth heat shield 136, which is coupled to the turbocharger 134 and separated from the first heat shield 122, the second heat shield 124, the third heat shield 130, and the fourth heat shield 132. The fifth heat shield 136 does not touch the first heat shield 122, the second heat shield 124, the third heat shield 130, or the fourth heat shield 132. As shown in Figure 11, the engine system 100 can further comprise a turbocharger 134. The turbocharger 134 is fluidly coupled to the exhaust system 104. The heat shield assembly 120 can further comprise a fifth heat shield 136, which is coupled to the turbocharger 134 and separated from the first heat shield 122, the second heat shield 124, the third heat shield 130, and the fourth heat shield 132. Fig. As shown in Figure 12, the turbocharger 134 is at least partially arranged between the fourth heat shield 132 and the fifth heat shield 136.

[0014] The Fig. Figures 2-5 show the heat shield assembly 120. The heat shield assembly 120 is configured to cover some hot surfaces of the engine system 100. The heat shield assembly 120 can further be configured to prevent heat transfer from some components of the engine system 100 (e.g., the engine 102, the exhaust system 104, the turbocharger 134, etc.) to other components of the engine system 100 that are subject to temperature restrictions (e.g., a valve cover of the engine 102, a valve cover gasket of the engine 102, a turbo actuator of the turbocharger 134, a turbo drain line of the turbocharger 134, etc.) and / or that are at risk of thermomechanical fatigue damage (DTMF) (e.g., components of the exhaust system 104, the turbocharger 134, etc.). The heat shield assembly 120 can also be configured to reduce heat transfer from some components of the engine system 100 (e.g. the engine 102, the exhaust system 104, the turbocharger 134, etc.).) to the environment through openings, as disclosed herein. The heat shield assembly 120 may be made of a steel alloy and a coating (e.g., made of a steel alloy, etc.).

[0015] The heat shield assembly 120 comprises the first heat shield 122, which is configured to be coupled to the first section 110 of the exhaust system 104, and the second heat shield 124, which comprises the first end 126 and the second end 128, opposite the first end 126. The first end 126 of the second heat shield 124 is coupled to the first heat shield 122. The second heat shield 124 is configured to be coupled to the second section 112 of the exhaust system 104, adjacent to the first section 110. The heat shield assembly 120 further comprises the third heat shield 130, which is coupled to the second end 128 of the second heat shield 124. The third heat shield 130 is configured to be coupled to the third section 114 of the exhaust system 104, adjacent to the second section 112.

[0016] As in the Fig. As shown in Figures 2-7, the first heat shield 122 comprises a first surface of the first heat shield 140, a second surface of the first heat shield 142 opposite the first surface of the first heat shield 140, and a third surface of the first heat shield 144 extending between the first surface of the first heat shield 140 and the second surface of the first heat shield 142. As shown in Fig. As shown in Figure 4, the third surface of the first heat shield 144 is essentially perpendicular to the first surface of the first heat shield 140 and to the second surface of the first heat shield 142. The third surface of the first heat shield 144 defines a plurality of first heat shield openings 146 configured to discharge heated air received from the first section 110 of the exhaust system 104. The first surface of the first heat shield 140 and the second surface of the first heat shield 142 are without openings (i.e., not perforated, continuous, without holes, etc.).

[0017] As in the Fig. As further illustrated in Figures 2-7, the second heat shield 124 comprises a first surface of the second heat shield 150, a second surface of the second heat shield 152 opposite the first surface of the second heat shield 150, and a third surface of the second heat shield 154 extending between the first surface of the second heat shield 150 and the second surface of the second heat shield 152. The first surface of the second heat shield 150 is substantially perpendicular to at least one of the first surface of the first heat shield 140, the second surface of the first heat shield 142, or the third surface of the first heat shield 144. As shown in the Fig. As shown in Figures 3-5, the second heat shield 124 further comprises a fourth surface of the second heat shield 156, which is coupled to the third surface of the second heat shield 154. The fourth surface of the second heat shield 156 is substantially perpendicular to the first surface of the second heat shield 150, the second surface of the second heat shield 152, and the third surface of the second heat shield 154. The second heat shield 124 can comprise a plurality of second heat shield openings 158 configured to discharge heated air received by the second section 112. For example, the first surface of the second heat shield 150, the second surface of the second heat shield 152, the third surface of the second heat shield 154, and the fourth surface of the second heat shield 156 can define the plurality of second heat shield openings 158.

[0018] As in Fig. As shown in Figure 4, a first distance D1 between an upper section 157 of the second heat shield 124 and a lower section 159 of the second heat shield 124 is greater than a second distance D2 between the first surface of the first heat shield 140 and the second surface of the first heat shield 142.

[0019] As in the Fig. As shown in Figures 2-7, the third heat shield 130 comprises a third first surface of the third heat shield 160, a second surface of the third heat shield 162 opposite the first surface of the third heat shield 160, and a third surface of the third heat shield 164 extending between the first surface of the third heat shield 160 and the second surface of the third heat shield 162. As shown in Fig. As shown in Figure 5, the third surface of the third heat shield 164 is essentially perpendicular to the first surface of the third heat shield 160 and to the second surface of the third heat shield 162. The third surface of the third heat shield 164 defines a plurality of openings of the third heat shield 166, configured to release heated air received from the third section 114 of the exhaust system 104. The first surface of the third heat shield 160 and the second surface of the third heat shield 162 are without openings.

[0020] As in Fig. As shown in Figure 5, the first distance D1 between the upper section 157 of the second heat shield 124 and the lower section 159 of the second heat shield 124 is greater than a third distance D3 between the first surface of the third heat shield 160 and the second surface of the third heat shield 162.

[0021] The first heat shield 122 and the third heat shield 130 can have substantially the same lengths, widths, and heights (e.g., within 1%, 3%, 10%, etc.). The first heat shield 122 and the third heat shield 130 can have the same shape. Therefore, the first heat shield 122 and the third heat shield 130 can be manufactured using substantially similar processes and components, thereby reducing the costs associated with manufacturing, tooling, and / or design.

[0022] As in the Fig. As shown in Figures 2-5, the fourth heat shield 132 is decoupled from the first heat shield 122, the second heat shield 124, and the third heat shield 130. The fourth heat shield 132 does not touch the first heat shield 122, the second heat shield 124, or the third heat shield 130. The fourth heat shield 132 is configured so that it can be coupled to the motor 102.

[0023] As in the Fig. As further shown in Figures 2-5, the fourth heat shield 132 comprises a first surface of the fourth heat shield 170, a second surface of the fourth heat shield 172 which is substantially perpendicular to the first surface of the fourth heat shield 170, and a third surface of the fourth heat shield 174 which is coupled at an angle A to the second surface of the fourth heat shield 172. The angle A can be between 100 degrees and 170 degrees. The first surface of the fourth heat shield 170, the second surface of the fourth heat shield 172, and the third surface of the fourth heat shield 174 can be without openings.

[0024] The fifth heat shield 136 is decoupled from the first heat shield 122, the second heat shield 124, the third heat shield 130, and the fourth heat shield 132. The fifth heat shield 136 is configured so that it can be coupled to the turbocharger 134.

[0025] As in the Fig. As further shown in Figures 2-5, 11 and 12, the fifth heat shield 136 comprises a first surface of the fifth heat shield 180, a first curved surface of the fifth heat shield 182 coupled to the first surface of the fifth heat shield 180, a second surface of the fifth heat shield 184 coupled to the first curved surface of the fifth heat shield 182, a second curved surface 186 of the fifth heat shield coupled to the second surface of the fifth heat shield 184, a third surface of the fifth heat shield 188 coupled to the second curved surface of the fifth heat shield 186, a third curved surface of the fifth heat shield 190 coupled to the third surface of the fifth heat shield 188, and a fourth surface of the fifth heat shield 192 coupled to the third curved surface of the fifth heat shield 190 is coupled.

[0026] The fifth heat shield 136 can comprise a plurality of openings of the fifth heat shield 194, configured to discharge heated air received from the turbocharger 134. For example, the heat shield first surface of the fifth heat shield 182, the second surface of the fifth heat shield 184, the second curved surface of the fifth heat shield 186, the third surface of the fifth heat shield 188, the third curved surface of the fifth heat shield 190, and the fourth surface of the fifth heat shield 192 can define the plurality of openings of the fifth heat shield 194.

[0027] As in Fig. As shown in Figure 1, the heat shield assembly 120 can further comprise a variety of support elements 200 (e.g., mounting assemblies, support structures, etc.). Each of the multiple support elements 200 is configured to couple and structurally support a component of the engine system 100 to the heat shield assembly 120.

[0028] As in the Fig. 1 and Fig. As shown in Figure 12, the plurality of support elements 200 comprises a first support element 202. The first support element 202 is coupled to the fifth heat shield 136 and a turbo line 204 of the turbocharger 134. In some embodiments, the first support element 202 is coupled to the third surface 188 of the fifth heat shield. In other embodiments, the first support element 202 is coupled to a surface of the fifth heat shield 136 that is not the third surface of the fifth heat shield 188 (e.g., the first surface of the fifth heat shield 180, the first curved surface of the fifth heat shield 182, the first surface of the fifth heat shield 184, the second curved surface of the fifth heat shield 186, the third curved surface of the fifth heat shield 190, the fourth surface of the fifth heat shield 192, etc.).

[0029] As in the Fig. 1 and Fig. As shown in Figure 8, the plurality of support elements 200 includes a second support element 210. The second support element 210 is coupled to the first heat shield 122 and / or the second heat shield 124 and a turbo discharge line 212 of the turbocharger 134. In some embodiments, the second support element 210 is coupled to the third surface 144 of the first heat shield and / or the first end 126 of the second heat shield 124. In other embodiments, the second support element 210 is coupled to a surface of the first heat shield 122 other than the third surface of the first heat shield 144 (e.g., the first surface of the first heat shield 140, the second surface of the first heat shield 142, etc.) or to an end of the second heat shield 124 that is not the first end 126 (e.g., the second end 128, etc.).

[0030] As in the Fig. 1 and Fig. As shown in Figure 9, the plurality of support elements 200 includes a third support element 220. The third support element 220 is coupled to the third heat shield 130 and the turbo line 204 of the turbocharger 134. In some embodiments, the third support element 220 is coupled to the third surface of the third heat shield 164. In other embodiments, the third support element 220 is coupled to a surface of the third heat shield 130 other than the third surface of the third heat shield 164 (e.g., to the first surface of the third heat shield 160, the second surface of the third heat shield 162, etc.).

[0031] The Fig. Figures 13-20 are additional views of the heat shield assembly 120 according to one embodiment.

[0032] Although this specification contains many specific implementation details, these should not be interpreted as limitations on the scope of what can be claimed, but rather as descriptions of features specific to certain implementations. Certain features described in this specification in connection with separate implementations may also be implemented in combination within a single implementation. Conversely, various features described in connection with a single implementation may also be implemented separately in a multitude of implementations or in any suitable subcombination.Although features in certain combinations may be described as effective and even initially claimed as such, in some cases one or more features from a claimed combination may be removed from the combination, and the claimed combination may be directed to a subcombination or a variation of a subcombination.

[0033] As used herein, “essentially” and similar terms are intended to have a broad meaning consistent with their usual and accepted use by those skilled in the art in the field to which this disclosure relates. Those skilled in the art examining this disclosure should understand that these terms serve to describe certain described and claimed features without limiting the scope of those features to specific numerical ranges. Accordingly, these terms should be interpreted to mean that inessential or minor modifications or changes to the described and claimed subject matter are to be considered to fall within the scope of this disclosure.

[0034] The term "coupled" and similar terms as used here refer to the direct or indirect connection of two components. Such a connection can be fixed (e.g., permanent) or movable (e.g., removable or detachable). Such a connection can be achieved by integrally forming the two components, or the two components and any additional intermediate components, as a single, unified body, with the two components, or the two components and any additional intermediate components, being attached to one another.

[0035] It is important to note that the design and arrangement of the motor shown in the various example implementations serve only for illustration and are not intended to be restrictive. All changes and modifications that are within the scope and / or purpose of the described embodiments shall be protected. It is understood that some features may not be necessary and that implementations lacking these features may be considered to be within the scope of the application, the scope being defined by the following claims. When the term "a part" is used, the element may include a part and / or the entire element unless expressly stated otherwise.

[0036] Furthermore, the term "or" is used in its inclusive (and not its exclusive) sense, so that when used, for example, to join a list of elements, it means one, some, or all of the elements in the list. Subjunctive language such as the expression "at least one of X, Y, and Z" is, unless explicitly stated otherwise, understood in context as it is generally used to express that an element, term, etc., can be either X, Y, Z, X and Y, X and Z, Y and Z, or X, Y, and Z (i.e., any combination of X, Y, and Z). Therefore, such subjunctive language is generally not intended to imply that certain embodiments require at least one of X, at least one of Y, and at least one of Z, unless otherwise stated.

[0037] Furthermore, the value ranges used here (e.g., W1 to W2, etc.) include their maximum and minimum values ​​(e.g., W1 to W2 includes both W1 and W2, etc.), unless otherwise specified. Additionally, a value range (e.g., W1 to W2, etc.) does not necessarily require the inclusion of intermediate values ​​within the range (e.g., W1 to W2 can include only W1 and W2, etc.), unless otherwise specified.

Claims

[1] Heat shield assembly comprising: a first heat shield configured to be coupled with a first section of an exhaust system; a second heat shield with a first end and a second end opposite the first end, wherein the first end of the second heat shield is coupled to the first heat shield and the second heat shield is configured to be coupled to a second section of the exhaust system adjacent to the first section; and a third heat shield coupled to the second end of the second heat shield, the second heat shield being configured to be coupled to a third section of the exhaust system adjacent to the second section. [2] Heat shield assembly according to claim 1, further comprising: a fourth heat shield that is decoupled from the first, second and third heat shields, wherein the fourth heat shield is configured to be coupled to a motor that is liquid-coupled to the exhaust system; and a fifth heat shield that is decoupled from the first heat shield, the second heat shield, the third heat shield and the fourth heat shield, the fifth heat shield being configured to be coupled to a turbocharger that is liquid-coupled to the exhaust system. [3] Heat shield assembly according to claim 2, wherein the fifth heat shield comprises a first surface of the fifth heat shield, a first curved surface of the fifth heat shield coupled to the first surface of the fifth heat shield, a second surface of the fifth heat shield coupled to the first curved surface of the fifth heat shield, a second curved surface of the fifth heat shield coupled to the second surface of the fifth heat shield, a third surface of the fifth heat shield coupled to the second curved surface of the fifth heat shield, a third curved surface of the fifth heat shield coupled to the third surface of the fifth heat shield, and a fourth surface of the fifth heat shield coupled to the third curved surface of the fifth heat shield. [4] Heat shield assembly according to claim 3, wherein the first curved surface of the fifth heat shield, the second surface of the fifth heat shield, the second curved surface of the fifth heat shield, the third surface of the fifth heat shield, the third curved surface of the fifth heat shield and the fourth surface of the fifth heat shield define a plurality of openings configured to discharge heated air taken in by the turbocharger. [5] Heat shield assembly according to claim 1, wherein the first heat shield comprises a first surface of the first heat shield, a second surface of the first heat shield opposite the first surface of the first heat shield, and a third surface of the first heat shield extending between the first surface of the first heat shield and the second surface of the first heat shield. [6] Heat shield assembly according to claim 5, wherein the third surface of the first heat shield is substantially perpendicular to the first surface of the first heat shield and to the second surface of the first heat shield. [7] Heat shield assembly according to claim 5, wherein the third surface of the first heat shield defines a plurality of openings configured to expel heated air from the first section of the exhaust system. [8] Heat shield assembly according to claim 5, wherein the first surface of the first heat shield and the second surface of the first heat shield have no openings. [9] Heat shield assembly according to claim 5, wherein the second heat shield comprises a first surface of the second heat shield, a second surface of the second heat shield opposite the first surface of the second heat shield, and a third surface of the second heat shield extending between the first surface of the second heat shield and the second surface of the second heat shield, wherein the first surface of the second heat shield is substantially perpendicular to at least one of the following surfaces: the first surface of the first heat shield, the second surface of the first heat shield, or the third surface of the first heat shield. [10] Heat shield assembly according to claim 9, wherein the second heat shield further comprises a fourth surface of the second heat shield coupled to the third surface of the second heat shield, wherein the fourth surface of the second heat shield is substantially perpendicular to the first surface, the second surface and the third surface of the second heat shield. [11] Heat shield assembly according to claim 9, wherein the distance between an upper section of the second heat shield and a lower section of the second heat shield is greater than the distance between the first surface of the first heat shield and the second surface of the first heat shield. [12] Heat shield assembly according to claim 1, wherein the first heat shield and the third heat shield have substantially the same lengths, widths and heights. [13] Heat shield assembly according to claim 1, wherein the first heat shield and the third heat shield have the same shape. [14] Engine system, comprising: an engine; an exhaust system that is fluidly coupled to the engine, wherein the exhaust system comprises a first section, a second section alongside the first section, and a third section alongside the second section; and a heat shield assembly, comprising: a first heat shield coupled with the first section, a second heat shield coupled to the second section and having a first end and a second end opposite the first end, wherein the second heat shield is coupled to the first heat shield at its first end, and a third heat shield coupled to the third section, wherein the third heat shield is coupled to the second heat shield at the second end. [15] Motor system according to claim 14, wherein the heat shield assembly further comprises a fourth heat shield coupled to the motor and decoupled from the first heat shield, the second heat shield and the third heat shield. [16] Engine system according to claim 15, further comprising a turbocharger liquid-coupled with the exhaust system, wherein the heat shield assembly further comprises a fifth heat shield coupled to the turbocharger and decoupled from the first heat shield, the second heat shield, the third heat shield and the fourth heat shield, wherein the turbocharger is at least partially arranged between the fourth heat shield and the fifth heat shield.

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