Kubota Patente

The present application has an object to provide a housing 400 of a battery pack 40 and the battery pack 40, the battery pack 40 being capable of suppressing an influence on a component in the housing 400, even when an internal pressure rise occurs in the housing 400. The problem is solved by the housing 400 of the battery pack 40 mounted on a hybrid system 10, including the housing main body 410 having a first accommodating portion 411 accommodating a battery module 50 for supplying electricity to a motor generator 2 of the hybrid system 10 and a second accommodating portion 412 accommodating a control circuit of the battery module 50, a housing cover 420 mounted on the housing main body 410, and a partition wall part 415 provided between the first accommodating portion 411 and the second accommodating portion 412 in the housing main body 410 and partitions a space of the first accommodating portion 412 and a space of the second accommodating portion 412 from each other.

The present application has an object to provide a battery pack 40 which can flexibly respond to a specification change, and the battery pack 40 mounted on a hybrid system 10 includes a battery module 50 for supplying electricity to a motor generator 2 of the hybrid system 10, a control circuit for controlling the battery module 50, and a housing 400 accommodating the battery module 50 and the control circuit, in which the battery module 50 has a plurality of battery cells 510 and a cell case 500 accommodating the plurality of battery cells 510 and including a fixing part 500a with respect to the housing 400, the control circuit has a BMU 85 for monitoring and controlling an entire state of the battery module 50 and a CMU 87 for monitoring a state of each of the plurality of battery cells 510 and sending information to the BMU 85, in which the CMU 87 is mounted on the cell case 500 in one unit of the battery module 50.

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The working machine 10 includes a machine body 11 and an arm device 13. The arm device 13 includes a boom 31, an arm 32, an angle detector 60, a protection portion 70, and a hose 80. The angle detector 60 includes a detection body 61 provided on the boom 31 side, and a lever 62 coupled to the detection body 61 and a member on the arm 32 side and displaced in accordance with relative swing between the boom 31 and the arm 32. The protection portion 70 includes a cover 71 that covers a displacement region of the lever 62, and a guide 72 that covers the detection body 61, the guide having a contour shape smaller than that of the cover 71 and being disposed at a position overlapping the cover 71 as viewed from a direction along a central axis C1. A passing region K1 through which a hose 80 passes is provided between the arm 32 and the cover 71 and outside the guide 72.

An implement includes a machine body and a work device attached to the machine body. The work device includes a swing member swingable about a shaft as a fulcrum. The swing member includes a main body and a coupling body coupled to an end portion of the main body and to which the shaft is attached. The coupling body has a hollow shape, and has an opening that opens an inside of the coupling body in the end surface on the main body side. The swing member further includes a lid body that closes the opening.

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The present disclosure relates to a work machine. A work machine of the present disclosure includes a machine body on which an engine, a fuel tank storing fuel for the engine, and an oil feed pump delivering the fuel to the fuel tank are mounted, the machine body being covered with a cover, in which the machine body includes, on an inner side with respect to the cover, a suction tube a part of which includes a hose, the suction tube having one end portion connected to a suction aperture of the oil feed pump, and a holder holding the other end portion of the suction tube in an orientation in which an end of the other end portion faces upward. The holder includes a cap portion having an opening on a lower side and an upper side being closed by a lid portion. An oil feed tube is held by the holder in a state in which the other end portion is inserted into the cap portion from the opening.

The present disclosure relates to a work machine. A work machine of the present disclosure includes a machine body including a slewing base and an engine compartment formed on the slewing base, an engine housed in the engine compartment, a cooling fan that generates cooling air cooling the engine, and a flow rectifying body that rectifies the cooling air flowing between an inner side surface of a partition plate in the engine compartment and the engine. In the work machine, the slewing base is disposed on a lower portion of the machine body. In the work machine, the flow rectifying body is inserted into a space between the engine and the inner side surface from below the machine body through an opening formed in the slewing base, and is fixed to a lower surface of the slewing base.

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