EP-4737176-A1 - WORK VEHICLE

EP4737176A1EP 4737176 A1EP4737176 A1EP 4737176A1EP-4737176-A1

Abstract

A work vehicle includes: a vehicle body; a fuel cell installed on the vehicle body; and a radiator installed on the vehicle body aligning with the fuel cell in a horizontal direction, in which a dimension of the radiator is larger than a dimension of the fuel cell in the horizontal direction orthogonal to a direction in which the fuel cell and the radiator are arranged.

Inventors

OHNISHI, Teppei

Assignees

Kubota Corporation

Dates

Publication Date: 20260506
Application Date: 20240529

Claims (10)

A work vehicle comprising: a vehicle body; a fuel cell installed on the vehicle body; and a radiator installed on the vehicle body aligning with the fuel cell in a horizontal direction, wherein a dimension of the radiator is larger than a dimension of the fuel cell in the horizontal direction orthogonal to a direction in which the fuel cell and the radiator are arranged.
The work vehicle according to claim 1, wherein a height of the radiator is larger than a height of the fuel cell.
The work vehicle according to claim 1 or 2, wherein the vehicle body includes a chassis on which the fuel cell is installed, and a support member that projects upward from the chassis and supports the radiator from below.
The work vehicle according to any one of claims 1 to 3, further comprising a support frame that supports a hydrogen tank for the fuel cell, wherein the vehicle body includes a placing table on which the support frame is placed, and a support member that is provided on the placing table and supports the radiator.
The work vehicle according to any one of claims 1 to 4, wherein the vehicle body includes a first hood that covers the fuel cell and a second hood that covers the radiator.
The work vehicle according to any one of claims 1 to 5, further comprising an air cleaner that is disposed side by side with the fuel cell and the radiator in the horizontal direction and cleans air supplied to the fuel cell, wherein the air cleaner is disposed on a side in the radiator where air is sucked.
The work vehicle according to claim 6, wherein the radiator includes a fan that is disposed between the fuel cell and the air cleaner in the horizontal direction and generates an air flow from a side of the air cleaner toward a side of the fuel cell.
The work vehicle according to any one of claims 1 to 7, further comprising an electrical component disposed side by side with the fuel cell and the radiator in the horizontal direction, wherein the electrical component is disposed on a side in the radiator where air is sucked.
The work vehicle according to claim 8, wherein the radiator includes a fan that is disposed between the fuel cell and the electrical component in the horizontal direction and generates an air flow from a side of the electrical component toward a side of the fuel cell.
The work vehicle according to any one of claims 1 to 9, further comprising a second support member that supports the radiator, wherein the second support member is connected to the fuel cell and the radiator.

Description

TECHNICAL FIELD The present disclosure relates to a work vehicle such as a tractor. BACKGROUND ART In recent years, there has been proposed a work vehicle such as a tractor including a fuel cell that generates electric power using gaseous fuel such as hydrogen gas, instead of an internal combustion engine using fossil fuel from the viewpoint of protecting the global environment, and an electric motor driven by the generated electric power. For example, Patent Literature 1 discloses a work vehicle in which a driver's seat and a hood are installed on a vehicle body, and a battery that accumulates electricity generated by a fuel cell and a controller that controls an electric motor are housed in the hood together with the fuel cell. This type of work vehicle also requires a radiator for cooling the fuel cell. CITATION LIST [PATENT LITERATURE] PATENT LITERATURE 1: Japanese Laid-Open Patent Publication No. 2023-013187 SUMMARY OF THE INVENTION A work vehicle of the present disclosure includes: a vehicle body; a fuel cell installed on the vehicle body; and a radiator installed on the vehicle body aligning with the fuel cell in a horizontal direction, in which a dimension of the radiator is larger than a dimension of the fuel cell in the horizontal direction orthogonal to a direction in which the fuel cell and the radiator are arranged. BRIEF DESCRIPTION OF DRAWINGS [FIG. 1] FIG. 1 is a perspective view illustrating an embodiment of a work vehicle of the present disclosure.[FIG. 2] FIG. 2 is a front view of the work vehicle.[FIG. 3] FIG. 3 is a rear view of the work vehicle.[FIG. 4] FIG. 4 is a side view (right side view) of the work vehicle.[FIG. 5] FIG. 5 is a side view (left side view) of the work vehicle.[FIG. 6] FIG. 6 is a plan view of the work vehicle.[FIG. 7] FIG. 7 is a bottom view of the work vehicle.[FIG. 8] FIG. 8 is an exploded perspective view illustrating a portion of the work vehicle.[FIG. 9] FIG. 9 is a right side view of the work vehicle illustrating a state in which a hood, a cover, and a portion of a tank case of a tank unit are removed.[FIG. 10] FIG. 10 is a front view of a second radiator and a periphery thereof.[FIG. 11] FIG. 11 is a plan view of the second radiator and the periphery thereof.[FIG. 12] FIG. 12 is a perspective view of the second radiator and the periphery thereof as viewed obliquely from the rear right side.[FIG. 13] FIG. 13 is a perspective view of the second radiator and the periphery thereof as viewed obliquely from the front left side.[FIG. 14] FIG. 14 is a perspective view of a mounting frame as viewed obliquely from the front left side. DETAILED DESCRIPTION <Problems to be solved by present disclosure> In a fuel cell, since a cooling temperature is lower than that of an internal combustion engine and a heat generation amount increases as a load increases, a radiator with high cooling performance is required. An object of the present disclosure is to provide a work vehicle in which cooling performance of a radiator is enhanced. <Effects of present disclosure> A work vehicle of the present disclosure can improve heat exchange efficiency of a radiator and enhance cooling performance. <Outline of embodiment of present disclosure> Hereinafter, an outline of an embodiment of the present disclosure will be listed and described. (1) A work vehicle according to an embodiment of the present disclosure includes: a vehicle body; a fuel cell installed on the vehicle body; and a radiator installed on the vehicle body aligning with the fuel cell in a horizontal direction, in which a dimension of the radiator is larger than a dimension of the fuel cell in the horizontal direction orthogonal to a direction in which the fuel cell and the radiator are arranged. According to this configuration, the second radiator can be increased in size, the flow of air passing through the radiator is less likely to be obstructed by the fuel cell, the heat exchange efficiency of the radiator can be improved, and the cooling performance can be enhanced.(2) In the work vehicle according to (1), preferably, a height of the radiator is larger than a height of the fuel cell. According to this configuration, the radiator can be further increased in size, the flow of air passing through the radiator is further less likely to be obstructed by the fuel cell, the heat exchange efficiency of the radiator can be improved, and the cooling performance can be enhanced.(3) In the work vehicle according to (1) or (2), preferably, the vehicle body includes a chassis on which the fuel cell is installed, and a support member that projects upward from the chassis and supports the radiator from below. With such a configuration, the height of the radiator can be made larger than the height of the fuel cell.(4) The work vehicle according to any one of (1) to (3) preferably further includes a support frame that supports a hydrogen tank for the fuel cell, in which the vehicle body includes a placing table on which the support fram