WO2023000066A1 - Système de ventilation et de climatisation d'air, véhicule de transport collectif et procédé de montage du système dans le véhicule - Google Patents

Système de ventilation et de climatisation d'air, véhicule de transport collectif et procédé de montage du système dans le véhicule Download PDF

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Publication number
WO2023000066A1
WO2023000066A1 PCT/BR2022/050284 BR2022050284W WO2023000066A1 WO 2023000066 A1 WO2023000066 A1 WO 2023000066A1 BR 2022050284 W BR2022050284 W BR 2022050284W WO 2023000066 A1 WO2023000066 A1 WO 2023000066A1
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WO
WIPO (PCT)
Prior art keywords
vehicle
pipes
communication set
bodywork
region
Prior art date
Application number
PCT/BR2022/050284
Other languages
English (en)
Portuguese (pt)
Inventor
Luciano Ricardo RESNER
César Ramos BROLIATO
Original Assignee
Marcopolo S.A.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Marcopolo S.A. filed Critical Marcopolo S.A.
Publication of WO2023000066A1 publication Critical patent/WO2023000066A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/32—Cooling devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D27/00—Heating, cooling, ventilating, or air-conditioning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D27/00—Connections between superstructure or understructure sub-units

Definitions

  • the present invention describes an air ventilation and air conditioning system in a public transport vehicle, the system being equipped with a fluid communication set accommodated in lateral regions of an upper external region of the vehicle.
  • the present invention is in the fields of mechanical engineering, thermodynamics, and public transport vehicles.
  • Passenger transport vehicles such as buses, minibuses, among others, usually have ventilation systems for the vehicle's internal air, to promote thermal comfort and biosafety through air renewal, exchanging the internal air for ambient air external.
  • ventilation and air circulation systems may also have air conditioners associated with refrigeration pipes and air heaters associated with heating pipes.
  • the air pipes of the systems of the current technique are arranged internally to the vehicle body, often being arranged along the vehicle walls, in the internal luggage compartment, next to the roof, among other provisions.
  • the space corresponding to a luggage rack arranged in an upper internal region of the vehicle's passenger compartment In the space of the vehicle's internal luggage compartment, the space corresponding to a luggage rack arranged in an upper internal region of the vehicle's passenger compartment. Therefore, in order to maintain the pipes and connections that play the role of system communication, a professional needs to access the inside of the luggage carrier from inside the passenger compartment.
  • Document DE102009056968B3 presents an air conditioning system for cooling and heating in passenger transport vehicles, for example, trains and buses.
  • the system is installed on the roof of the vehicle, using modules, each module containing condensers, compressor and evaporators. Underneath the modules, exhaust and return air ducts pass.
  • the ducts are arranged along a surface located on a central region of the vehicle's roof, or even partially entering the surface of the vehicle's roof.
  • DE102009056968B3 is modular and placed on the roof of the vehicle, the system does not use fluid pipes for connection between equipment placed at the ends of the vehicle, in addition to the fact that the air ducts, in DE102009056968B3, are apparent on the roof, focusing on the central region of the ceiling.
  • Document CN201824842U presents an air conditioning and refrigeration system for a double-decker bus.
  • the CN201824842U system has an evaporator on each floor of the bus. You Evaporators are connected to condensers positioned at the rear of the bus along with the compressor through piping. Although the pipes are positioned on the sides of the ceiling, CN201824842U lacks a structure that accommodates the pipes with external access and in a non-apparent way.
  • the technique lacks a solution that promotes easy maintenance of pipes and connections of ventilation and air conditioning systems in public transport vehicles, in addition to promoting the protection of the user and his belongings in situations of pipe failure.
  • the present invention solves the problems of the state of the art from a ventilation and air conditioning system in a public transport vehicle equipped with a fluid communication set that is arranged on a side of the bodywork in a outer upper region of the vehicle, the communication set having pipes and connections disposed in lateral regions of the upper outer region in a non-apparent way. From this, the present invention allows the assembly and maintenance of the communication set to be carried out without the need to access the interior of the vehicle, providing more free space for maintenance and promoting greater safety for vehicle users, so that these they are not subject to risks such as direct projection of fluids from leaking pipes in failure situations.
  • the present invention presents an air ventilation and air conditioning system in a public transport vehicle comprising a fluid communication set disposed over a region outer upper region of the vehicle, in which the communication set is all accommodated in lateral regions of the upper outer region of the vehicle.
  • the present invention presents a public transport vehicle equipped with a ventilation and air conditioning system, the system comprising a fluid communication set arranged on an upper body side (4) of the vehicle, which accommodates the communication assembly in lateral regions of an upper external region of the vehicle in a non-apparent way.
  • the present invention presents a process for assembling a ventilation and air conditioning system in a public transport vehicle comprising a fluid communication set, and the process comprises the steps of accommodating a pipe of the communication set in lateral regions of an upper external region of the vehicle by means of an upper bodywork side (4); and association of a flexible connector (3) between the piping and a system equipment.
  • Figure 1 shows a top view of an embodiment of the vehicle of the present invention, highlighting the cooling pipe (1) and the heating pipe (2) of the system of the present invention, arranged in lateral regions of the upper outer region of the vehicle, removing the rails (5).
  • Figure 2 shows highlighted region I of Figure 1, illustrating an embodiment of flexible connectors (3) of the heating pipe (2) arranged on an upper side of the bodywork (4), including curves at the rear ends of the vehicle.
  • Figure 3 shows highlighted region II of figure 1, illustrating an embodiment of flexible connectors (3) of the cooling pipe (1) arranged on the upper side of the bodywork (4), including curves at the rear ends of the vehicle.
  • Figure 4 highlights region III of Figure 1, illustrating an embodiment of the connection between the pair of refrigeration pipes (1) and the system equipment through flexible connectors (3).
  • Figure 5 shows highlighted region IV of Figure 1, illustrating an embodiment of the connection between the pair of heating pipes (2) and the system equipment through flexible connectors (3).
  • Figure 6 shows an embodiment of the communication set of the present invention in a non-apparent way in the vehicle by means of a rail (5) positioned on the refrigeration (1) and heating (2) pipes.
  • Figure 7 shows the A-A section of figure 6, highlighting the cooling (1) and heating (2) pipes arranged on each upper side of the bodywork (4) and under each gutter (5).
  • Figure 8 shows in detail the cooling pipes (1) accommodated on the upper body side (4).
  • Figure 9 shows an embodiment of the vehicle of the present invention, with emphasis on the most frontal region (6) and the most rear region (7) of the vehicle.
  • Figure 10 shows highlighted the region V of Figure 9, illustrating an embodiment of the flexible connectors (3) associated with a pair of pipes, the pipes being fixed on the upper side of the bodywork (4) by means of supports ( 5.1).
  • Figure 11 shows a cross-sectional view of an embodiment of the rail (5) associated with the upper side of the bodywork (4).
  • Figure 12 shows a view of an embodiment of the rail (5) in closed position.
  • Figure 13 is a view of the embodiment of the rail (5) in open position. Detailed Description of the Invention
  • the present invention solves the problems of the state of the art related to the maintenance of fluid pipes in passenger transport vehicles, as well as related to the safety of these passengers regarding exposure to these pipes.
  • the present invention presents an air ventilation and air conditioning system in a public transport vehicle that comprises a fluid communication set arranged on an upper external region of the vehicle, in which the communication set is all accommodated in lateral regions of the upper external region of the vehicle.
  • the system of the present invention has a cooling part and a heating part.
  • the fluids conducted by the system's communication set are coolant fluids for the cooling part and hot water for the heating part.
  • the system communication set has pipes and flexible connectors (3), so that the flexible connector (3) associates the pipe to a system equipment.
  • the equipment of the system corresponds to a compressor, condenser and/or evaporator.
  • the system has equipment positioned in a more frontal region (6) of the vehicle and another equipment positioned in a more rear region (7) of the vehicle.
  • the vehicle is a bus equipped with a passenger compartment
  • the system has an evaporator positioned in the most frontal region (6) of the vehicle on an internal roof of the passenger compartment and a compressor positioned in the most rear region (7 ) of the vehicle at a lower end of the vehicle.
  • the flexible connectors (3) perform piping connection with system equipment positioned in an internal region of the vehicle and make connection in curves of the vehicle between piping and/or between piping and system equipment.
  • the curves of the vehicle are located at the ends of the most rear region (7) of the vehicle, so that a pipe positioned in the upper external region of the vehicle connects to the flexible connector (3) so that the fluid reaches the vehicle equipment. system positioned at the lower end of the vehicle in the most rear region (6) of the vehicle.
  • the vehicle is equipped with an upper body side (4) positioned in lateral regions of the upper external region of the vehicle.
  • an upper region of the vehicle corresponds to a roof of the vehicle, so that the upper outer region corresponds to a region on the roof of the vehicle.
  • the upper side of the body (4) is a structure having crossbeams fixed to each other, being positioned on the sides of the ceiling of the passenger compartment.
  • the system of the present invention allows the communication set to be accommodated in the lateral regions of the upper external region of the vehicle in a non-apparent way.
  • the system has a gutter (5) arranged on the communication set and associated with the upper side of the bodywork (4).
  • the pipes of the communication set are installed on an external roof of the bodywork (4), along the upper sides of the bodywork (4), and covered by the gutter (5) so that the pipes are hidden.
  • the rail (5) is supported, positioned and fixed by means of supports (5.1) arranged along the upper side of the bodywork (4).
  • supports (5.1) arranged along the upper side of the bodywork (4).
  • gutters (5) are arranged covering the pipes that are between a rear outer covering in the most rear region (7) of the vehicle and the front outer covering in the most frontal region (6) of the vehicle.
  • the gutter (5) allows continuity between the surfaces of the wall and the upper finish of the vehicle's roof, aiming at aspects of design and aerodynamic performance of the vehicle. Additionally, the gutter (5) is also responsible for protecting the pipe from the incidence of sunlight (UV radiation) and mechanical impacts (stones, tree branches, etc.).
  • the rail (5) corresponds to a side deflector of the vehicle.
  • the pipes of the communication set correspond to a pair of cooling pipes (1) and a pair of heating pipes (2).
  • the cooling pipe (1) is arranged along one side of the side body (4); and the heating pipe (2) is arranged along an opposite side of the side body (4) in relation to the cooling pipe (1).
  • the present invention prevents interference between the cooling pipe (1) and the heating pipe (2) due to the difference in temperature of the pipes in operation.
  • the position of the refrigeration pipes (1) and the position of the heating pipes (2) can be reversed, maintaining the said distance between the upper sides of the bodywork (4).
  • a front portion of the cooling pipe (1) and the heating pipe (2) are associated with the system equipment through flexible connectors (3), which promote the system of the present invention to adapt to the dynamics of use of the vehicle, preventing disconnections and leaks between the ends of the pipes and other equipment in the system and the interior of the vehicle.
  • clamps are attached to the flexible connectors (3) at connection points with system equipment.
  • At least one of the cooling pipes (1) and/or the heating pipe (2) comprises copper tubes with expanded polyethylene insulation.
  • the pipes of the present invention are arranged externally to the vehicle, an operator is able to carry out their assembly and maintenance in a safer and more efficient way than the internal pipes of the prior art, since the space available for work in the internal region of the bus it is much more restricted and limiting than in the external region, and the external region is still safer for carrying out procedures such as pipe welding. Also, external maintenance promotes the preservation of hygiene and the interior finish of the vehicle, since maintenance steps can get dirty and damage the internal aesthetic part of the vehicle.
  • the present invention presents a public transport vehicle equipped with a ventilation and air conditioning system, the system comprising a fluid communication set arranged on the upper side of the body (4) of the vehicle , which accommodates the communication assembly in lateral regions of an upper external region of the vehicle in a non-apparent way.
  • the vehicle of the present invention is a mass transit vehicle. In one embodiment, the vehicle of the present invention is at least one of: minibuses; single-decker buses; double-decker bus.
  • the ventilation and air conditioning system is an air conditioning apparatus provided with a cooling part and a heating part.
  • the system has the communication set equipped with pipes and flexible connectors (3) for connections between the pipes and equipment of the system.
  • the system has evaporators positioned in the upper, most front region of the vehicle and condensers with compressors positioned in the lower, rearmost region of the vehicle.
  • the upper side of the bodywork (4) accommodates the entire communication set in the lateral regions of the upper external region of the vehicle.
  • the pipes of the communication assembly correspond to a pair of refrigeration pipes (1) positioned on one of the upper sides of the bodywork (4), one refrigeration pipe (1) for high pressure and another refrigeration pipe (1) for low pressure of coolant.
  • the pipes of the communication set correspond to a pair of heating pipes (2) positioned on an upper opposite side of the side body (4) in relation to the cooling pipes (1), being a heating pipe ( 2) for hot water line and another heating pipe (2) for hot water return.
  • the system is provided with a gutter (5) associated with the upper side of the bodywork (4).
  • the gutter (5) is positioned on the pipes of the communication set, the pipes being supported on the upper side of the bodywork (4).
  • the present invention presents a process for assembling a ventilation and air conditioning system in a public transport vehicle comprising a fluid communication set, and the process comprises the steps of accommodating a pipe of the communication set in lateral regions of an upper external region of the vehicle by means of an upper bodywork side (4); and association of a flexible connector (3) between the piping and a system equipment.
  • the communication assembly is all accommodated on the upper side of the bodywork (4) positioned in the lateral regions of the upper outer region of the vehicle.
  • system pipes are placed on the upper body side (4).
  • the pipelines are connected to flexible connectors (3).
  • the communication set allows fluids to travel through the pipes between system equipment positioned in a more frontal region of the vehicle and in a more rear region of the vehicle.
  • the stage of accommodation of the process piping has a stage of association of a gutter (5) on the upper side of the bodywork (4) of the vehicle, leaving the communication set in a non-apparent mode. That is, the pipes connected to the flexible connectors (3) extend in the lateral regions of the upper external region of the vehicle in a non-apparent way.
  • the system is divided into a cooling part provided with refrigerant fluid and a heating part provided with hot water.
  • the process of the present invention has a step of associating a cooling pipe (1) and a heating pipe (2) on opposite sides of the bodywork (4).
  • the process of the present invention makes it possible to condition and heat the air that circulates inside the vehicle, said air coming from evaporators connected to the refrigeration (1) and heating (2) pipes.
  • the process of the present invention allows the passage of fluid through flexible connectors (3) associated at each longitudinal end of the cooling pipe (1) and the heating pipe (2).
  • the flexible connector (3) promotes the association of a pipe with an air conditioning device and/or with the interior of the vehicle.
  • the piping of the present invention being arranged externally to the vehicle, prevents such technical problems from occurring, so that if there is a failure in the piping, the fluid would escape into the environment, thus preserving the user and his belongings.
  • a maintenance professional would be able to locate the leak in the pipe more easily, performing maintenance outside the vehicle, aiming at the safety of passengers, in addition to preventing damage to the vehicle's internal finishes.
  • the piping being arranged externally to the vehicle frees up more space inside the vehicle, so that the space that would previously be occupied by the piping can now be used to increase the volume available for luggage in the internal luggage compartment.
  • a ventilation and air conditioning system of a public transport vehicle has a communication set positioned in the upper external region of the vehicle.
  • the communication set is on the outside of the vehicle body, so that the pipes are accessible from the outside of the vehicle.
  • Such alteration promotes ease of maintenance of copper pipes, in case of leakage.
  • the external arrangement prevents the leakage from being projected onto the user and his/her belongings.
  • the present invention differs from its antecedents, in which the technical pipes are towards the inside of the vehicle, making access difficult and limiting the space for repairing the pipes, in addition to running the risk of exposing the user to fluid leaks such as coolant and hot water.
  • Figure 1 illustrates a top view of an embodiment of the present invention, where a bus is presented where the cooling pipe (1) is positioned on the right side of its upper portion, while the heating pipe (2) is positioned on the left side.
  • the order of the pipes can be changed without prejudice.
  • each longitudinal end of each refrigeration pipe (1) promotes the association of said pipe (1) with at least one piece of equipment in the system, such as an air conditioner equipped with compressors, condensers and evaporators.
  • the aforementioned piping association is carried out in curves on the upper side of the bodywork (4) to conduct the fluid to system equipment positioned in a lower, more rear region of the vehicle and in an upper, more frontal region of the vehicle, including an internal region of the vehicle, so that each flexible connector (3) promotes such an association in a safe and efficient way, adapted to the dynamics of use of the vehicle, preventing disconnections and leaks.
  • figures 2 and 3 which refer to items I and II of figure 1 respectively, show in greater detail the flexible connectors (3) connected to the pair of refrigeration pipes (1) and to the pair of heating pipes (2). Also, figures 2 and 3 show the flexible connectors (3) in the curved regions of the rear ends of the vehicle, connecting the refrigeration (1) and heating (2) pipes arranged on the upper external region of the vehicle with the equipment positioned in the rearmost lower region of the vehicle.
  • figures 4 and 5 which refer to items III and IV of figure 1 respectively, show in greater detail the flexible connectors (3) for connection between the system equipment and the refrigeration pipes (1 ) and heating (2), using clamps attached to the flexible connectors.
  • a gutter (5) is fixed on each upper side of the bodywork (4), so that the communication assembly is not apparent to an observer positioned outside the vehicle.
  • Figure 7 shows the A-A section of Figure 6, illustrating the refrigeration (1) and heating (2) pipes arranged on the upper sides of the bodywork (4) and under the gutters (5).
  • figure 8 shows in detail the fastening of the rail (5) on the upper side of the bodywork (4), so that supports (5.1) support the rails (5) arranged on the upper side of the bodywork ( 4).
  • the refrigeration pipes (1) and heating pipes (2) make a connection between an evaporator positioned in the most frontal region (6) of the vehicle and a compressor positioned in the most rear region ( 7) of the vehicle.
  • Figure 10 shows the attachment of one of the pipes to the system equipment through the flexible connector (3). Additionally, figure 11 also shows arrangements of the pair of heating pipes (2) arranged between the gutter (5) and the upper side of the bodywork (4).
  • the gutter (5) protects the pipes from the incidence of sunlight (UV radiation) and mechanical impacts.
  • Figures 11 and 12 show the rails (5) in closed position and in open position, respectively.
  • the present invention eliminates the occupation of internal space, promoting comfort for passengers and ergonomics for maintenance professionals who access the entire length of the pipes, outside the vehicle, accessing the pipes when opening the gutters, facilitating maintenance in case of leaks.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

La présente invention concerne un système de ventilation et de climatisation d'air dans un véhicule de transport collectif, visant à favoriser la sécurité des passagers et à faciliter l'entretien de tubulures du système disposées sur une zone supérieure extérieure du véhicule. Plus particulièrement, la présente invention concerne le système comprenant au moins un ensemble de communication fluidique disposé sur une zone supérieure extérieure du véhicule dans un mode non apparent, l'ensemble de communication étant entièrement logé dans des zones latérales de la zone supérieure extérieure du véhicule, ledit ensemble de communication étant doté de tubulures et de raccords souples et disposé sur une carrosserie du véhicule. La présente invention relève des domaines de l'ingénierie mécanique, de la thermodynamique et des véhicules de transport collectif.
PCT/BR2022/050284 2021-07-20 2022-07-20 Système de ventilation et de climatisation d'air, véhicule de transport collectif et procédé de montage du système dans le véhicule WO2023000066A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BR1020210143177 2021-07-20
BR102021014317A BR102021014317A2 (pt) 2021-07-20 2021-07-20 Sistema e processo de ventilação e climatização de ar em veículo de transporte de passageiros e veículo

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Publication Number Publication Date
WO2023000066A1 true WO2023000066A1 (fr) 2023-01-26

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PCT/BR2022/050284 WO2023000066A1 (fr) 2021-07-20 2022-07-20 Système de ventilation et de climatisation d'air, véhicule de transport collectif et procédé de montage du système dans le véhicule

Country Status (3)

Country Link
AR (1) AR126515A1 (fr)
BR (1) BR102021014317A2 (fr)
WO (1) WO2023000066A1 (fr)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE658287C (de) * 1932-03-25 1938-03-28 Christoph & Unmack Akt Ges Eisenbahntriebzug leichter Bauart
US4679616A (en) * 1983-12-20 1987-07-14 Suetrak U.S.A., Inc. Roof-mounted air conditioner system having modular evaporator and condensor units
US5582236A (en) * 1994-10-19 1996-12-10 Zexel Corporation Control apparatus for a cooling unit with a heating function and a multi-compartment temperature management apparatus for a vehicle using this cooling unit
DE19524670A1 (de) * 1995-07-06 1997-01-09 Thermal Werke Beteiligungen Gm Kühlanordnung für Nutzfahrzeuge, insbesondere Omnibusse
PT1667862E (pt) * 2003-10-02 2007-05-31 Thermo King Deutschland Gmbh Inalação de ar condicionado de tejadilho para um veículo, em particular para um autocarro.
US20070215398A1 (en) * 2006-03-15 2007-09-20 Ferdows Houshang K Modular roof-mounted radiator compartment and other roof-mounted utility compartments for buses
ES2285978T3 (es) * 1999-03-05 2007-12-01 Man Nutzfahrzeuge Aktiengesellschaft Estructura de autobus en la zona angular lateral del techo, en la cupula trasera del techo y en la galeria angular trasera.
US20150276243A1 (en) * 2012-06-08 2015-10-01 Yack S.A.S. Air conditioning installation
BR102013027958A2 (pt) * 2013-02-15 2018-11-13 Man Truck & Bus Ag dispositivo de câmara de teto para um veículo, mais particularmente um ônibus e veículo, mais particularmente um ônibus
CN215553168U (zh) * 2021-06-09 2022-01-18 中车株洲电力机车有限公司 一种轨道车辆及其车顶空调导流罩

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE658287C (de) * 1932-03-25 1938-03-28 Christoph & Unmack Akt Ges Eisenbahntriebzug leichter Bauart
US4679616A (en) * 1983-12-20 1987-07-14 Suetrak U.S.A., Inc. Roof-mounted air conditioner system having modular evaporator and condensor units
US5582236A (en) * 1994-10-19 1996-12-10 Zexel Corporation Control apparatus for a cooling unit with a heating function and a multi-compartment temperature management apparatus for a vehicle using this cooling unit
DE19524670A1 (de) * 1995-07-06 1997-01-09 Thermal Werke Beteiligungen Gm Kühlanordnung für Nutzfahrzeuge, insbesondere Omnibusse
ES2285978T3 (es) * 1999-03-05 2007-12-01 Man Nutzfahrzeuge Aktiengesellschaft Estructura de autobus en la zona angular lateral del techo, en la cupula trasera del techo y en la galeria angular trasera.
PT1667862E (pt) * 2003-10-02 2007-05-31 Thermo King Deutschland Gmbh Inalação de ar condicionado de tejadilho para um veículo, em particular para um autocarro.
US20070215398A1 (en) * 2006-03-15 2007-09-20 Ferdows Houshang K Modular roof-mounted radiator compartment and other roof-mounted utility compartments for buses
US20150276243A1 (en) * 2012-06-08 2015-10-01 Yack S.A.S. Air conditioning installation
BR102013027958A2 (pt) * 2013-02-15 2018-11-13 Man Truck & Bus Ag dispositivo de câmara de teto para um veículo, mais particularmente um ônibus e veículo, mais particularmente um ônibus
CN215553168U (zh) * 2021-06-09 2022-01-18 中车株洲电力机车有限公司 一种轨道车辆及其车顶空调导流罩

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AR126515A1 (es) 2023-10-18

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