Air conditioner of track system vehicle

• US 8,869,547 B2
• Filed: 03/18/2010
• Issued: 10/28/2014
• Est. Priority Date: 03/25/2009
• Status: Active Grant

• Current Assignee: Mitsubishi Heavy Industries Engineering, Ltd. (Mitsubishi Heavy Industries, Ltd.), Toshiba Infrastructure Systems & Solutions Corporation (Toshiba Corporation)
• Original Assignee: Mitsubishi Heavy Industries, Ltd., Kabushiki Kaisha Toshiba (Toshiba Corporation)
• Inventors: Nishino, Masaya, Kawaguchi, Osamu, Tanabe, Ayako, Kanemori, Toru
• Primary Examiner(s): Jules, Frantz
• Assistant Examiner(s): Tadesse, Martha
• Application Number:
  US12/726,781
• Publication Number:
  US 20100242513A1
• Time in Patent Office: 1,685 Days
• Field of Search: 622/39, 622/44, 454/144, 454/140, 454/248, 454232-233, 454 99-100, 454/105, 454136-139
• US Class Current: 62/239
• CPC Class Codes: B60H 1/00371 for vehicles carrying large numbers of passengers, e.g. buses
• CPC Class Codes: B60H 2001/00235 Devices in the roof area of the passenger compartment
• CPC Class Codes: B61D 27/0018 Air-conditioning means, i.e. combining at least two of the following ways of treating or supplying air, namely heating, cooling or ventilating air-conditioning in general F24F

Abstract

An air conditioner of a track system vehicle includes two air conditioning units disposed in parallel in a horizontal direction and mounted on the roof of a vehicle, a plurality of outlets of two air conditioning units facing a vehicle center side, a first duct connecting two air conditioning units, and a second duct which bypasses to the vehicle ends.

Claims

1. An air conditioner of a track system vehicle, comprising:

two air conditioning units each of which has constituent devices disposed in parallel in a transverse direction and is mounted on a roof of the vehicle,

wherein each of the two air conditioning units is provided close to each of end portions in a longitudinal direction of the vehicle, respectively,

each of the two air conditioning units comprises a plurality of outlets for air-conditioned air disposed toward a center side in the longitudinal direction of the vehicle, respectively, such that the plurality of outlets of one air conditioning unit faces the plurality of outlets of the other air conditioning unit,

the plurality of outlets of each of the two air conditioning units is provided in parallel with a vehicle width direction, at least one pair of outlets is provided at a center side in the vehicle width direction and remaining of outlets are provided on both ends in the vehicle width direction, so that all air blown from the plurality of outlets provided at the center side in the vehicle width direction and on both ends in the vehicle width direction flows in the direction of the center in the longitudinal direction of the vehicle,

a first duct connecting the at least one pair of the outlets provided at the center side in the vehicle width direction facing each other, the first duct being disposed in the longitudinal direction of the vehicle along a back face of the roof and having air outlets which face downward,

second ducts connecting to the remaining outlets on both ends in the vehicle width direction, which bypass the air conditioning unit along the back face of the roof from the outlets, extend on the both sides of a casing of the air conditioning unit only to a vehicle end side, thereby being disposed up to a vehicle end, and have the air outlets which face downward, and

lower faces of the second ducts are disposed so as to be flush with a lower face of the casing of the air conditioning unit.

2. The air conditioner of a track system vehicle according to claim 1, wherein the air conditioning unit is 1-layered, and

a vehicle exterior air suction fan, a vehicle interior air suction fan, a discharging fan, and air-conditioned air outlets, out of the constituent devices are disposed in this order from the vehicle end side toward the center side in the longitudinal direction of the vehicle.

3. The air conditioner of a track system vehicle according to claim 1, wherein the air conditioning unit is 2-layered, and

a condenser, a compressor, and a vehicle exterior air suction fan, out of the constituent devices are disposed on an upper layer, and on a lower layer, a vehicle interior air suction fan, a discharging fan, and air-conditioned air outlets are disposed in this order from the vehicle end side toward the center side in the longitudinal direction of the vehicle.

8. The air conditioner of a track system vehicle according to claim 1, wherein the two air conditioning units further include another duct connecting to each other and having said at least one pair of outlets.

4. An air conditioner of a track system vehicle, comprising:

a first air conditioning unit;

a second air conditioning unit present in parallel in a transverse direction to the first air conditioning unit;

a plurality of outlets through which air-conditioned air passes present on a first side of the first air conditioning unit and a first side of the second air conditioning unit;

a first duct extending at a center side in a vehicle width direction from the first side of the first air conditioning unit and the first side of the second air conditioning unit to connect the first air conditioning unit and the second air conditioning unit, and having a plurality of vents at a bottom of the first duct;

a second duct connecting to the plurality of outlets of the first air conditioning unit on an end in the vehicle width direction, by passing the air conditioning unit along the back face of the roof from the outlets, extending on the both sides of the air conditioning unit only to a vehicle end side, thereby being disposed up to a vehicle end and having the plurality of vents at a bottom of the second duct; and

a third duct connecting to the plurality of outlets of the second air conditioning unit on an end in the vehicle width direction, by passing the air conditioning unit along the back face of the roof from the outlets, extending on the both sides of the air conditioning unit only to a vehicle end side, thereby being disposed up to a vehicle end and having the plurality of vents at a bottom of the third duct,

wherein the first air conditioning unit and the second air conditioning unit are present on a top surface of the vehicle at both ends in a longitudinal direction of the vehicle, respectively,

the first side of the first air conditioning unit and the first side of the second air conditioning unit face to each other towards a center side in the longitudinal direction of the vehicle, respectively,

the plurality of outlets is provided so that all air blown from the plurality of outlets provided at the center side in the vehicle width direction and on both ends in the vehicle width direction flows in the direction of the center in the longitudinal direction of the vehicle,

lower faces of the second ducts are disposed so as to be flush with a lower face of a casing of the first air conditioning unit, and

lower faces of the third ducts are disposed so as to be flush with a lower face of a casing of the second air conditioning unit.

5. The air conditioner of a track system vehicle according to claim 4, wherein the second duct has a corner portion so that the second duct goes around to a second side of the first air conditioning unit towards an end of the vehicle, and

the second side of the first air conditioner unit is opposite to the first side of the first air conditioning unit.

6. The air conditioner of a track system vehicle according to claim 5, wherein the third duct has a corner portion so that the third duct goes around to a second side of the second air conditioning unit towards another end of the vehicle, and

the second side of the second air conditioner unit is opposite to the first side of the second air conditioning unit.

7. The air conditioner of a track system vehicle according to claim 6, wherein the first duct, the second duct, and the third duct are aligned on a same horizontal plane.