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1
US20190009905A1
Publication/Patent Number: US20190009905A1
Publication date: 2019-01-10
Application number: 16/020,189
Filing date: 2018-06-27
Inventor: Kaechi, Shuya  
Abstract: An agricultural field management system includes a plurality of communication devices arranged on an agricultural field, each of the communication devices including an outputting circuit being configured to output identification information, a signal receiving circuit disposed on a management machine movable in an agricultural field and configured to receive the identification information outputted by the outputting circuit a position detecting circuit disposed on the management machine and configured to detect measurement information based on a signal from a navigation satellite, a first obtaining circuit to obtain the identification information received by the signal receiving circuit, a second obtaining circuit to obtain the measurement information detected by the position detecting circuit of the management machine on the agricultural field, a relating circuit to relate the identification information obtained by the first obtaining circuit to the measurement information obtained by the second obtaining circuit. An agricultural field management system includes a plurality of communication devices arranged on an agricultural field, each of the communication devices including an outputting circuit being configured to output identification information, a signal receiving circuit disposed ...more ...less
2
US20190100900A1
Publication/Patent Number: US20190100900A1
Publication date: 2019-04-04
Application number: 16/149,489
Filing date: 2018-10-02
Abstract: A hydraulic system for a working machine, includes a hydraulic device to change a flow rate of an operation fluid. The hydraulic device includes a first hydraulic receiver to which the operation fluid is applied, a second hydraulic receiver to which the operation fluid is applied, and a movable portion to be moved by the operation fluid applied to any one of the first hydraulic receiver and the second hydraulic portion. A hydraulic system further includes a differential pressure regulator to supply the operation fluid to the first hydraulic receiver and the second hydraulic receiver, the differential pressure regulator being configured to regulate a differential pressure between a first pressure that is a pressure of the operation fluid applied to the first hydraulic receiver and a second pressure that is a pressure of the operation fluid applied to the second hydraulic receiver. A hydraulic system for a working machine, includes a hydraulic device to change a flow rate of an operation fluid. The hydraulic device includes a first hydraulic receiver to which the operation fluid is applied, a second hydraulic receiver to which the operation fluid is ...more ...less
3
US10219432B2
Publication/Patent Number: US10219432B2
Publication date: 2019-03-05
Application number: 14/691,943
Filing date: 2015-04-21
Inventor: Shoji, Yusuke  
Abstract: A grass cutter is provided with a duct which extends in a conveyance direction of grass clippings and has a conveyance path for the grass clippings formed inside of the duct; and a duct opening/closing lid provided with a turning shaft which is disposed on the outer side of the duct, and a closing plate which is turnable around the axis of the turning shaft and opens and closes the conveyance path by turning. A grass cutter is provided with a duct which extends in a conveyance direction of grass clippings and has a conveyance path for the grass clippings formed inside of the duct; and a duct opening/closing lid provided with a turning shaft which is disposed on the outer side of the ...more ...less
4
US10184378B2
Publication/Patent Number: US10184378B2
Publication date: 2019-01-22
Application number: 15/592,552
Filing date: 2017-05-11
Inventor: Miyake, Hiroshi  
Abstract: A work vehicle includes an engine, a battery, an exhaust gas purification system or device, and a notification device. The exhaust gas purification system or device is capable of performing a purification process purifying exhaust gas of the engine, and operates with electric power from the battery and performs an end process. The notification device provides notification that the exhaust gas purification system or device is performing the end process or that the end process is completed. A work vehicle includes an engine, a battery, an exhaust gas purification system or device, and a notification device. The exhaust gas purification system or device is capable of performing a purification process purifying exhaust gas of the engine, and operates with electric ...more ...less
5
US20190130662A1
Publication/Patent Number: US20190130662A1
Publication date: 2019-05-02
Application number: 16/232,662
Filing date: 2018-12-26
Abstract: A communication system for a working machine includes: a first communication device configured to be attached to a working device detachably disposed on a vehicle body and to transmit, to an outward, device information relating to the working device as a broadcasting signal; and a receiving device having a receiving part configured to receive the device information transmitted in the broadcasting signal. A communication system for a working machine includes: a first communication device configured to be attached to a working device detachably disposed on a vehicle body and to transmit, to an outward, device information relating to the working device as a broadcasting signal; and ...more ...less
6
US10316496B2
Publication/Patent Number: US10316496B2
Publication date: 2019-06-11
Application number: 15/390,536
Filing date: 2016-12-26
Abstract: A hydraulic system for a work machine includes a hydraulic pump to supply a pilot fluid, and a hydraulic switch valve to be switched to a plurality of switching positions based on a pilot pressure. The pilot pressure is a pressure of the pilot fluid supplied from the hydraulic pump. The hydraulic system includes a direction switch valve to apply a first pilot pressure to the hydraulic switch valve to switch the hydraulic switch valve into one of the plurality of switching positions. The hydraulic system includes a pressure applying device to apply a second pilot pressure to the hydraulic switch valve. The second pilot pressure is lower than the first pilot pressure. A hydraulic system for a work machine includes a hydraulic pump to supply a pilot fluid, and a hydraulic switch valve to be switched to a plurality of switching positions based on a pilot pressure. The pilot pressure is a pressure of the pilot fluid supplied from the hydraulic ...more ...less
7
US10323675B2
Publication/Patent Number: US10323675B2
Publication date: 2019-06-18
Application number: 15/617,084
Filing date: 2017-06-08
Abstract: A device with an adjustment bolt includes a bolt attachment wall, an adjustment bolt screwed with an internal thread hole of the bolt attachment wall, a locknut screwed with the adjustment bolt, a cover that surrounds the adjustment bolt and the locknut, and a stopper unit that prevents removal of the cover from the locknut. The stopper unit includes an inner circumference groove of the cover fitted around a C-shaped retaining ring, and an external circumference groove of the locknut fitting within the retaining ring. The external circumference groove includes a first groove portion having a large-diameter groove bottom that restricts contraction and removal of the retaining ring fitted within the inner circumference groove, and a second groove portion provided continuously for the first groove portion and having a small-diameter groove bottom that allows contraction and removal of the retaining ring fitted within the inner circumference groove. A device with an adjustment bolt includes a bolt attachment wall, an adjustment bolt screwed with an internal thread hole of the bolt attachment wall, a locknut screwed with the adjustment bolt, a cover that surrounds the adjustment bolt and the locknut, and a stopper unit that ...more ...less
8
US20190186315A1
Publication/Patent Number: US20190186315A1
Publication date: 2019-06-20
Application number: 16/212,839
Filing date: 2018-12-07
Abstract: An engine promoting DPF regeneration processing is provided. Catalyst activation processing and thereafter DPF regeneration processing are performed under control of a device. In the catalyst activation processing, a target temperature of exhaust at an exhaust exit of a catalyst is set to be in a first temperature region, and then the opening degree of an exhaust throttle device is controlled. In the DPF regeneration processing, the target temperature is set to be in a second temperature region. A target temperature of the exhaust at an exhaust inlet of a DPF is set to be in a third temperature region. The opening degree of the exhaust throttle device is controlled, and unburned fuel is supplied into the exhaust. The temperature regions are set to be successively higher, and a temperature difference between successive temperature regions is set to be successively lower. An engine promoting DPF regeneration processing is provided. Catalyst activation processing and thereafter DPF regeneration processing are performed under control of a device. In the catalyst activation processing, a target temperature of exhaust at an exhaust exit of a catalyst ...more ...less
9
US20190186386A1
Publication/Patent Number: US20190186386A1
Publication date: 2019-06-20
Application number: 16/205,855
Filing date: 2018-11-30
Abstract: There is provided an engine stopping device including a stopping solenoid, where an operating shaft, interlocked to a control rack of a fuel injection pump, is rotatably supported by an engine case in a pass-through manner. The control rack is forcibly movable to a stopping position by an action of the stopping solenoid on an operation arm provided for a projecting portion of the operating shaft in an integrally rotatable manner. An extending-retracting rod of the stopping solenoid and the operation arm are interlocked by fitting engagement between a pin provided for the extending-retracting rod and a cut-out portion of the operation arm. The cut-out portion is configured in a shape elongated along a direction perpendicular to a movement trajectory of the extending-retracting rod. There is provided an engine stopping device including a stopping solenoid, where an operating shaft, interlocked to a control rack of a fuel injection pump, is rotatably supported by an engine case in a pass-through manner. The control rack is forcibly movable to a stopping ...more ...less
10
US20190186922A1
Publication/Patent Number: US20190186922A1
Publication date: 2019-06-20
Application number: 16/099,021
Filing date: 2016-12-08
Abstract: A field traveling route production system includes: a field information storage section that stores field information including position information each of a field and an entrance/exit area of the field; a work traveling route calculation section (61) that calculates a work traveling route for the field work vehicle based on the field information and specification of the field work vehicle, the work traveling route interconnecting a traveling work starting point and a traveling work ending point; a fore traveling route calculation section (62) that calculates a fore traveling route extending from the entrance/exit area to the traveling work starting point of the work traveling route; and a post traveling route calculation section (63) that calculates a post traveling route extending from the traveling work ending point to the entrance/exit area. A field traveling route production system includes: a field information storage section that stores field information including position information each of a field and an entrance/exit area of the field; a work traveling route calculation section (61) that calculates a work ...more ...less
11
US20190187869A1
Publication/Patent Number: US20190187869A1
Publication date: 2019-06-20
Application number: 15/848,659
Filing date: 2017-12-20
Inventor: Spitz, David  
Abstract: A work vehicle includes: a traveling apparatus and a work apparatus that use rotational power from a power source configured to output rotational power by consuming fuel; a display unit having a changing data display region; a working state detection portion configured to detect a working state in which the work apparatus is being driven; an instantaneous fuel economy calculation portion configured to calculate, as instantaneous fuel economy, fuel consumption per time in the working state; and a display data generation portion configured to generate instantaneous fuel economy display data for displaying the instantaneous fuel economy in the changing data display region. A work vehicle includes: a traveling apparatus and a work apparatus that use rotational power from a power source configured to output rotational power by consuming fuel; a display unit having a changing data display region; a working state detection portion configured to detect ...more ...less
12
US20190193661A1
Publication/Patent Number: US20190193661A1
Publication date: 2019-06-27
Application number: 15/852,670
Filing date: 2017-12-22
Abstract: A work vehicle includes a front wheel unit and a rear wheel unit attached to a vehicle body frame, a power source mounted at a rear portion of the vehicle body frame, a ROPS bracket fixed to the vehicle body frame at a region thereof forwardly of the power source and a ROPS. this ROPS includes a pair of left and right upright portions and a crossbar connecting the upright portions at upper portions thereof. Lower end portions of the pair of upright portions are supported to the ROPS bracket to be pivotable toward the power source about a horizontal axis extending in a vehicle-body transverse direction. A work vehicle includes a front wheel unit and a rear wheel unit attached to a vehicle body frame, a power source mounted at a rear portion of the vehicle body frame, a ROPS bracket fixed to the vehicle body frame at a region thereof forwardly of the power source and a ROPS ...more ...less
13
US10344452B2
Publication/Patent Number: US10344452B2
Publication date: 2019-07-09
Application number: 16/008,806
Filing date: 2018-06-14
Abstract: A cabin includes: a panel disposed on a side of an operator seat, the panel including: a plurality of cross members extending in a first direction; and a plurality of transverse members intersecting with the plurality of cross members each other and extending in a second direction; a glass panel disposed on a side of the panel; a window frame disposed on the glass panel; a window panel disposed on the window frame, the window panel being configured to move in the first direction or in the second direction; a projecting member disposed on a side of the window panel, the side being an identical side to the operator seat, the projecting member being configured to move together with the window panel; and a guide portion configured to accept insertion of the projecting member and to limit a moving distance of the window panel. A cabin includes: a panel disposed on a side of an operator seat, the panel including: a plurality of cross members extending in a first direction; and a plurality of transverse members intersecting with the plurality of cross members each other and extending in a second ...more ...less