Patents by Inventor Kensuke Futahashi

Kensuke Futahashi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11306607
    Abstract: A steam valve has a tubular stop valve configured to move toward an upper/lower end side along a direction of an axis when the stop valve is opened/closed; and a valve main body accommodating the stop valve, wherein a base end portion including an end portion of the stop valve at the upper end side is accommodated in a first accommodation space formed in the valve main body, the base end portion has a plurality of inclination surfaces formed on an outer circumference of the base end portion which are inclined such that a distance from the axis to each of the plurality of inclination surfaces decreases toward the upper end side, and a plurality of contact surfaces are formed in the first accommodation space to come in contact with the plurality of inclination surfaces respectively when the stop valve moves toward the upper end side.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: April 19, 2022
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Noriyuki Hasegawa, Kensuke Futahashi, Megumu Tsuruta
  • Patent number: 11136228
    Abstract: A forklift includes a lift bracket which is supported on a mast so as to be capable of being moved upward or downward along the mast, and a fork member having a fork claw portion on which a pallet is allowed to be placed, and supported on the lift bracket. The lift bracket has a support portion which is on a tip portion of the lift bracket and supports the fork member. When a weight is applied onto the fork claw portion, the fork member is configured to rotate around the support portion which is configured to serve as a pivot, in response to an application force exerted onto the fork claw portion.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: October 5, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Noriyuki Hasegawa, Kensuke Futahashi
  • Publication number: 20210294349
    Abstract: A computation device includes a first specifying unit configured to, based on a distance between a vehicle configured to autonomously travel and a pallet to be handled at a position on a first route on which the vehicle travels, specify a second route on which at least one of the vehicle and another vehicle different from the vehicle travels during material handling work that is related to the pallet and performed after the vehicle has traveled on the first route.
    Type: Application
    Filed: January 22, 2021
    Publication date: September 23, 2021
    Inventors: Noriyuki HASEGAWA, Naoto KAWAUCHI, Kensuke FUTAHASHI, Keitaro KAMATA, Masayuki ISHIKAWA
  • Publication number: 20210261393
    Abstract: A vibration suppression system for a loading vehicle includes: a sensor configured to detect a parameter indicating acceleration along a vertical direction of a load handling apparatus or of a vehicle main body of the loading vehicle; a vibration control force generating apparatus configured to apply a vibration control force for suppressing vibration of the loading vehicle; and a controller configured to generate a feedback command to be issued to the vibration control force generating apparatus based on a detection value of the sensor.
    Type: Application
    Filed: January 21, 2021
    Publication date: August 26, 2021
    Inventors: Kengo IMAOKA, Shoichi AOKI, Kensuke FUTAHASHI, Noriyuki HASEGAWA, Koji UCHIDA, Hiroyuki KONO, Akihisa KAWAUCHI
  • Patent number: 11066956
    Abstract: An on-off valve of the present invention includes a valve box which includes an inlet flow path of steam and an outlet flow path which communicates with the inlet flow path through a communication bole, a stop valve body which opens or closes the communication hole, and a stop valve support portion, in which the outlet flow path extends in a direction intersecting the opening direction of the communication hole toward a downstream side in a flow direction of the steam, and a minimum wall thickness of the valve box is smaller than a minimum wall thickness of the valve box.
    Type: Grant
    Filed: February 15, 2018
    Date of Patent: July 20, 2021
    Assignee: MITSUBISHI POWER, LTD.
    Inventors: Tomoyuki Onishi, Fumiyuki Suzuki, Kensuke Futahashi, Hao Li
  • Publication number: 20210039931
    Abstract: A position calculation system includes a managing unit managing a current position of a plurality of automated guided vehicles; and a position calculating unit calculating a position of the target automated guided vehicle based on a detection result, detected by the laser measuring device mounted on the target automated guided vehicle, of detecting each reflection light reflected from a specific number being two or more of reflection sources, position information of which is obtainable, existing at positions on mutually different directions viewing from the target automated guided vehicle.
    Type: Application
    Filed: February 18, 2020
    Publication date: February 11, 2021
    Inventors: Naoto KAWAUCHI, Noriyuki HASEGAWA, Kensuke FUTAHASHI
  • Publication number: 20200393839
    Abstract: An unmanned carrier vehicle includes a vehicle body; a plurality of wheels attached to the vehicle body; a steering actuator for adjusting a steering angle of each of the wheels; a cargo section arranged movably on the vehicle body in planar view; and a control unit configured to output an instruction for moving the cargo section, when adjustment of the steering angle is performed at least in a state that the vehicle body remains stopped, to reduce a load acting on one or more target wheels each being an adjustment target for the steering angle with the steering actuator among the plurality of wheels.
    Type: Application
    Filed: February 7, 2020
    Publication date: December 17, 2020
    Inventors: Noriyuki HASEGAWA, Kensuke FUTAHASHI, Naoto KAWAUCHI
  • Publication number: 20200307977
    Abstract: The forklift includes a lift bracket which is supported on a mast so as to be capable of being moved upward or downward along the mast, and a fork member having a fork claw portion on which a pallet is allowed to be placed, and supported on the lift bracket, wherein the lift bracket has a support portion which is formed on a tip portion of the lift bracket and which supports the fork member. When a weight is applied onto the fork claw portion, the fork member displaces around the support portion which is configured to serve as a pivot, in response to an application force exerted onto the fork claw portion.
    Type: Application
    Filed: November 26, 2019
    Publication date: October 1, 2020
    Inventors: Noriyuki HASEGAWA, Kensuke FUTAHASHI
  • Publication number: 20200307974
    Abstract: A forklift includes a vehicle body, a fork having a distal end extending in one direction of a first axis, a mast extending along a second axis intersecting the first axis and holding a proximal end of the fork such that the fork slides along the second axis, and a first sliding mechanism configured to cause the mast to slide along the first axis so that the distal end protrudes from the vehicle body.
    Type: Application
    Filed: January 29, 2020
    Publication date: October 1, 2020
    Inventors: Noriyuki HASEGAWA, Kensuke FUTAHASHI
  • Patent number: 10724551
    Abstract: This hydraulic oil tank, which is disposed inside a pod of a power generation system, stores hydraulic oil, wherein the hydraulic oil tank is provided with: a rubber bag for use during oil temperature increases, the rubber bag being attached to a tank wall surface from the inner side, having a first internal space communicated with the exterior through an opening passing through the wall surface, and partitioning the first internal space and the wall surface interior in an elastic manner; and a rubber bag for use during oil temperature decreases, the rubber bag being attached to the wall surface from the outer side, having a second internal space communicated with the wall surface interior through an opening passing through the wall surface, and partitioning the second internal space and the wall surface interior in an elastic manner.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: July 28, 2020
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kensuke Futahashi, Shin Asano, Yoshitomo Noda, Sho Onodera
  • Publication number: 20200208534
    Abstract: A steam valve has a tubular stop valve configured to move toward an upper/lower end side along a direction of an axis when the stop valve is opened/closed; and a valve main body accommodating the stop valve, wherein a base end portion including an end portion of the stop valve at the upper end side is accommodated in a first accommodation space formed in the valve main body, the base end portion has a plurality of inclination surfaces formed on an outer circumference of the base end portion which are inclined such that a distance from the axis to each of the plurality of inclination surfaces decreases toward the upper end side, and a plurality of contact surfaces are formed in the first accommodation space to come in contact with the plurality of inclination surfaces respectively when the stop valve moves toward the upper end side.
    Type: Application
    Filed: November 27, 2019
    Publication date: July 2, 2020
    Inventors: Noriyuki HASEGAWA, Kensuke FUTAHASHI, Megumu TSURUTA
  • Publication number: 20200208541
    Abstract: A steam valve has a tubular stop valve configured to move toward an upper end side and a lower end side along an axial direction when the stop valve is opened and closed respectively; and a valve main body configured to accommodate the stop valve. The stop valve has a ring-shaped protrusion portion protruded outwardly in a radial direction. The valve main body has an accommodation space for accommodating the protrusion portion which is divided by the protrusion portion into a first pressure space and a second pressure space. First and second feed/discharge portions configured for adjusting a pressure in the first pressure space and the second pressure space respectively are further provided. The protrusion portion is moved upwardly and downwardly by adjusting the pressure in the first pressure space and the second pressure space.
    Type: Application
    Filed: November 27, 2019
    Publication date: July 2, 2020
    Inventors: Noriyuki HASEGAWA, Kensuke FUTAHASHI, Megumu TSURUTA
  • Patent number: 10626844
    Abstract: The present invention provides a hydraulic drive train including a check valve provided in a return oil passage disposed between a branching position of a first branching oil passage and a branching position of a second branching oil passage, wherein at the time of starting of startup of the hydraulic drive train, the switching valve is closed, the opening degree of the flow rate adjusting valve is set to the initial opening degree, the on-off valve is opened, the boost pump is driven by the drive motor, and the hydraulic oil is supplied to the hydraulic pump, thereby assisting the rotational speed of the vanes by the hydraulic oil.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: April 21, 2020
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Shin Asano, Kensuke Futahashi, Yoshitomo Noda, Kyota Tokuyama, Sho Onodera, Yukihito Okuda
  • Publication number: 20200118294
    Abstract: A vehicle image processing device includes: a plurality of buffers configured to accumulate pieces of image data input individually and sequentially from a plurality of cameras installed in a vehicle so as to associate the pieces of image data with the cameras; a processor configured to select the buffer based on the state information of the vehicle and acquire the piece of image data from the selected buffer so as to perform image processing thereon; a signal line for transferring the pieces of image data in the buffers to the processor; and a transfer controller configured to output the piece of image data in the buffer required from the processor to the signal line.
    Type: Application
    Filed: October 8, 2019
    Publication date: April 16, 2020
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kenta NAKAO, Kiichi SUGIMOTO, Tomohiro MATSUMOTO, Kensuke FUTAHASHI
  • Patent number: 10605116
    Abstract: A hydraulic driving device for a steam valve includes a plurality of hydraulic actuators to generate driving force to be transmitted to the valve body through a valve shaft of the steam valve. The hydraulic actuators each include a cylinder, a piston that is capable of reciprocating in the cylinder, and a rod having respective ends connected to the piston and valve shaft. The hydraulic actuators include a main actuator including a throttle portion for regulating a flow of pressure oil in a hydraulic chamber defined by the cylinder and piston so that a damping force is applied to the valve body during its closing operation. The one or more hydraulic actuators other than the main actuator include at least one sub actuator not having the throttle portion. The hydraulic chamber of the sub actuator communicates with the hydraulic chamber of the main actuator.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: March 31, 2020
    Assignee: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
    Inventors: Kensuke Futahashi, Katsuhisa Hamada
  • Patent number: 10591084
    Abstract: A steam valve includes: a valve casing; a first valve body; a second valve body; a second valve rod; a first valve rod; a first actuator capable of applying a first biasing force in the vertical direction to the first valve rod; a second actuator capable of applying a second biasing force in the vertical direction to the second valve rod; a first link mechanism disposed between the first actuator and the first valve rod and capable of transmitting the first biasing force; a second link mechanism disposed between the second actuator and the second valve rod and capable of transmitting the second biasing force, the second link mechanism having a linking part provided integrally with the second valve rod and a lever which is pin-coupled to the linking part; and a guide mechanism capable of regulating horizontal displacement of the linking part.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: March 17, 2020
    Assignee: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
    Inventors: Kensuke Futahashi, Hiroyuki Kanazawa, Kengo Imaoka, Katsuhisa Hamada
  • Patent number: 10584675
    Abstract: Provided is an underwater floating-type ocean current power generation device whereby cyclical directional vibration of a floating body of the ocean current power generation device, caused by shadow moment, can be suppressed. An underwater floating type ocean current power generation device includes ocean current power generation device main bodies, each including a rotor of a power generator housed in a nacelle, and a structure. The rotor is configured to be driven by a rotary blade protruding outward from the nacelle. A twin drum floating body capable of floating underwater is constituted by the structure and the ocean current power generation device main bodies joined to the left and right of the structure. The underwater floating type ocean current power generation device is moored to an ocean floor by a mooring rope.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: March 10, 2020
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kensuke Futahashi, Sho Onodera, Shin Asano, Tetsuhei Kobayashi
  • Publication number: 20200002143
    Abstract: A forklift apparatus includes: an error prediction unit configured to predict a first positional error which is a positional error after picking-up between a standard position of a fork and a central position of a pallet on the fork after the pallet is picked up and a first angle error which is an angle error after picking-up with respect to the fork in the pallet; a travel route correction unit configured to correct a travel route from a picking-up position of the pallet to a stacking position of the pallet to offset the first positional error and the first angle error when the pallet is stacked; and a conveyance travel control unit configured to perform travel control such that the pallet is conveyed along the corrected travel route.
    Type: Application
    Filed: June 26, 2019
    Publication date: January 2, 2020
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Noriyuki HASEGAWA, Kensuke FUTAHASHI, Naoto KAWAUCHI, Megumu TSURUTA, Yusuke KINOUCHI, Yasuo FUJISHIMA
  • Publication number: 20190383169
    Abstract: An on-off valve of the present invention includes a valve box which includes an inlet flow path of steam and an outlet flow path which communicates with the inlet flow path through a communication bole, a stop valve body which opens or closes the communication hole, and a stop valve support portion, in which the outlet flow path extends in a direction intersecting the opening direction of the communication hole toward a downstream side in a flow direction of the steam, and a minimum wall thickness of the valve box is smaller than a minimum wall thickness of the valve box.
    Type: Application
    Filed: February 15, 2018
    Publication date: December 19, 2019
    Applicant: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
    Inventors: Tomoyuki Onishi, Fumiyuki Suzuki, Kensuke Futahashi, Hao Li
  • Patent number: 10480662
    Abstract: A steam valve includes a valve casing, a first valve body having a first cylindrical part and a first end wall part, a second valve body having a second cylindrical part and a second end wall part, a first valve stem capable of vertically biasing the first valve body, a second valve stem capable of vertically biasing the second valve body, a flow guide disposed inside the first cylindrical part and having a projection configured to project downwardly from the first cylindrical part and the second cylindrical part when the first cylindrical part and the second cylindrical part are apart from the valve seat, and a support supporting the flow guide. The support extends from the valve casing or the second valve body to the flow guide through a through hole formed in the first valve body to support the flow guide such that the flow guide is tiltable.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: November 19, 2019
    Assignee: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
    Inventors: Kensuke Futahashi, Hiroyuki Kanazawa, Kengo Imaoka, Katsuhisa Hamada