# US 2014/0190577 A1 · Work vehicle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0190577 A1 - Document ID: US20140190577A1 - Status: Published application - Kind: A1 - Application number: 13/807,795 - Filed: 2012-08-10 - Published: 2014-07-10 - Earliest claimed: 2012-07-26 - Assignees: Komatsu Ltd. - Inventors: Toshihiro Yamamoto - Web page: https://patentgrep.com/patent/US20140190577A1 ## CPC - F16L 3/23: for a bundle of pipes or a plurality of pipes placed side by side in contact with each other (F16L3/237 takes precedence) - B60K 11/04: Arrangement or mounting of radiators, radiator shutters, or radiator blinds - E02F 9/0866: {Engine compartment, e.g. heat exchangers, exhaust filters, cooling devices, silencers, mufflers, position of hydraulic pumps in the engine compartment} - F01P 11/04: Arrangements of liquid pipes or hoses - B60Y 2200/41: Construction vehicles, e.g. graders, excavators - B60Y 2200/415: Wheel loaders - Y10T 137/6881: Automotive - F16L: PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL - B60K: ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES - E02F: DREDGING; SOIL-SHIFTING (winning peat E21C49/00) - F01P: COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES (arrangements in connection with cooling of propulsion units in vehicles B60K11/00; heat-transfer, heat-exchange or heat-storage materials C09K5/00; {cooling of gas-turbine engines F02C7/12}; heat exchange in general, radiators F28) - B60Y: INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract A work vehicle (1) includes an engine (11), a cooling device (12), first and second hoses (14, 15), first and second flanges (16a, 17a), and a third flange (18a). The third flange (18a) is arranged to overlap with the first and second flanges (16a, 17a) by extending in a region R sandwiched between the first flange (16a) and the second flange (17a). Accordingly, there can be obtained a work vehicle (1) that can have rain water intruding inside prevented from entering the engine side along the hose. ## Claims ### Claim 1 A work vehicle comprising: an engine; a cooling device; first and second hoses arranged between said engine and said cooling device for connecting said engine and said cooling device; first and second flanges formed at an outer circumferential face of said first hose to protrude outward of said first hose, and arranged spaced apart from each other; and a third flange formed at an outer circumferential face of said second hose to protrude outward of said second hose, said third flange arranged to overlap with said first and second flanges by extending in a region sandwiched between said first flange and said second flange. ### Claim 2 (depends on 1) The work vehicle according to claim 1, wherein a partition having a first through hole is arranged between said engine and said cooling device, and said first hose and said second hose pass through said first through hole in the partition. ### Claim 3 (depends on 2) The work vehicle according to claim 2, wherein each of said first to third flanges tilts downwards from said partition side towards said cooling device side. ### Claim 4 (depends on 2) The work vehicle according to claim 2, wherein said partition further includes a bracket at said cooling device side, and said bracket includes a second through hole at an upper portion. ### Claim 5 (depends on 4) The work vehicle according to claim 4, wherein said first to third flanges are provided such that a projection shape of said first to third flanges from a mutually overlapping direction covers said second through hole entirely. ### Claim 6 (depends on 1) The work vehicle according to claim 1, wherein each of said first to third flanges has a circular outer shape, and each of said first and second flanges overlaps with said third flange by a length greater than or equal to half a width of each relevant flange, when viewed from a mutually overlapping direction. ### Claim 7 (depends on 1) The work vehicle according to claim 1, wherein said first flange and said second flange are arranged spaced apart from each other in a longitudinal direction of said first hose, said third flange arranged between said first and second flanges is spaced apart from said first flange in a longitudinal direction of said second hose, and spaced apart from said second flange in a longitudinal direction of said second hose, said first and second flanges are spaced apart from said second hose in a radial direction, and said third flange is spaced apart from said first hose in a radial direction. ### Claim 8 (depends on 2) The work vehicle according to claim 2, further comprising a top panel arranged above said engine, said cooling device, and said partition, wherein said top panel has a vent provided above said first and second hoses at said cooling device side relative to said partition. ### Claim 9 (depends on 1) The work vehicle according to claim 1, wherein elements in each of said first to third flanges are formed integrally as each of first to third protruding members.