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公开(公告)号：US09932993B2
公开(公告)日：2018-04-03
申请号：US14936137
申请日：2015-11-09
Applicant: Caterpillar Inc.
Inventor： Jiao Zhang , Dayao Chen , Jeremy T. Peterson , Michael L. Knussman
CPC classification number: F15B11/024 , F15B1/024 , F15B1/027 , F15B1/04 , F15B1/26 , F15B11/08 , F15B13/021 , F15B21/14 , F15B2201/00 , F15B2211/20546 , F15B2211/20569 , F15B2211/212 , F15B2211/3058 , F15B2211/3133 , F15B2211/6306 , F15B2211/6309 , F15B2211/6313 , F15B2211/7142 , F15B2211/88
Abstract: A hydraulic control system for a machine is provided. The hydraulic control system includes a fluid reservoir, a pump motor and an accumulator. The pump motor is configured to provide pressurized fluid and to receive fluid to provide a power output. The hydraulic control system further includes a hydraulic actuator having a first and a second chamber, a first valve, a regenerative valve, and a controller. The controller is in communication with the first valve and the regenerative valve to selectively actuate the regenerative valve to allow flow of a first portion of the fluid from the first chamber to the second chamber. The controller is further configured to selectively actuate the first valve to allow flow of a second portion of the fluid from the first chamber through the pump motor to provide the power output to a shaft of a power source.
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公开(公告)号：US09677572B2
公开(公告)日：2017-06-13
申请号：US14981977
申请日：2015-12-29
Applicant: Caterpillar Inc.
Inventor： Michael L. Knussman , Jeremy T. Peterson , Jeffrey L. Kuehn
CPC classification number: F15B1/024 , F15B1/027 , F15B21/14 , F15B2211/20546 , F15B2211/212 , F15B2211/3058 , F15B2211/41572 , F15B2211/761 , F15B2211/88 , Y02P80/13
Abstract: A method for storing and reusing hydraulic energy in a machine is disclosed. The method includes transferring the hydraulic energy from an actuator to an upstream side of a motor pump via a first valve, during a normal mode. The method includes directing excess hydraulic energy from a downstream side of the motor pump to an accumulator by opening an accumulator valve and closing a bypass valve, during an energy saving mode. The method includes retrieving stored hydraulic energy from the accumulator to the upstream side of the motor pump by opening the accumulator valve, during an energy discharging mode.
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公开(公告)号：US20170130744A1
公开(公告)日：2017-05-11
申请号：US14936137
申请日：2015-11-09
Applicant: Caterpillar Inc.
Inventor： Jiao Zhang , Dayao Chen , Jeremy T. Peterson , Michael L. Knussman
IPC: F15B11/024 , F15B1/04 , F15B1/26 , F15B11/08
CPC classification number: F15B11/024 , F15B1/024 , F15B1/027 , F15B1/04 , F15B1/26 , F15B11/08 , F15B13/021 , F15B21/14 , F15B2201/00 , F15B2211/20546 , F15B2211/20569 , F15B2211/212 , F15B2211/3058 , F15B2211/3133 , F15B2211/6306 , F15B2211/6309 , F15B2211/6313 , F15B2211/7142 , F15B2211/88
Abstract: A hydraulic control system for a machine is provided. The hydraulic control system includes a fluid reservoir, a pump motor and an accumulator. The pump motor is configured to provide pressurized fluid and to receive fluid to provide a power output. The hydraulic control system further includes a hydraulic actuator having a first and a second chamber, a first valve, a regenerative valve, and a controller. The controller is in communication with the first valve and the regenerative valve to selectively actuate the regenerative valve to allow flow of a first portion of the fluid from the first chamber to the second chamber. The controller is further configured to selectively actuate the first valve to allow flow of a second portion of the fluid from the first chamber through the pump motor to provide the power output to a shaft of a power source.
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4.发明授权Machine having hydraulically actuated implement system with combined ride control and downforce control system 有权具有液压致动实施系统的机器具有组合的行驶控制和下压力控制系统公开(公告)号：US09068323B2
公开(公告)日：2015-06-30
申请号：US13721313
申请日：2012-12-20
Applicant: Caterpillar Inc.
Inventor： Jeremy T. Peterson , Jeffrey L. Kuehn , David J. Lomax , Michael L. Knussman
CPC classification number: E02F3/432 , E02F9/0841 , E02F9/2207 , E02F9/2217 , F15B1/021 , F15B1/033 , F15B21/082 , F15B2211/625 , F15B2211/6346 , F15B2211/6653 , F15B2211/6658 , F15B2211/7128 , F15B2211/85 , F15B2211/8606 , F15B2211/8616 , Y10T137/85986
Abstract: A machine is disclosed. The machine can include a frame and ground engaging propulsion elements coupled with the frame. A hydraulically actuated implement system can be coupled with the frame, and can include a linkage configured to couple with an implement, a hydraulic actuator coupled with the linkage and the frame, and a ride control and downforce control circuit configured to implement a ride control mode and a downforce control mode. The ride control mode can be configured to maintain a pressure of hydraulic fluid in the hydraulic actuator at a ride control pressure, and the downforce control mode can be configured to maintain the pressure of hydraulic fluid in the hydraulic actuator at a downforce control pressure to oppose the weight of the linkage and the implement such that the implement engages a substrate with a predetermined down force pressure which is proportionate to the downforce control pressure.
Abstract translation: 公开了一种机器。 机器可以包括与框架联接的框架和接地推进元件。 液压致动的工具系统可以与框架联接，并且可以包括构造成与工具联接的联动装置，与联动装置和框架联接的液压致动器以及被配置成实现行驶控制模式的行驶控制和下压力控制电路 和下压力控制模式。 行驶控制模式可以被配置为在液压致动器中保持液压流体在行驶控制压力下的压力，并且下压力控制模式可被构造成将液压致动器中的液压流体的压力维持在下压力控制压力 联动装置和工具的重量使得工具以与下压力控制压力成比例的预定下压力与基板接合。
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公开(公告)号：US11745552B2
公开(公告)日：2023-09-05
申请号：US17180269
申请日：2021-02-19
Applicant: Caterpillar Inc.
Inventor： John James Krone , Daniel Peter Sergison , Edward William Mate , Jeremy T. Peterson , Bradly Glen Duffer , Matthew Stephen Marquette
CPC classification number: B60D1/246 , B60D1/30 , B60D1/62 , B62D13/005
Abstract: A machine includes a frame and an oscillating hitch. A first cylinder couples to a first side of the oscillating hitch and a first side of the frame. A second cylinder couples to a second side of the oscillating hitch and a second side of the frame. A first isolating mechanism couples to the first cylinder and rotates in response to a first rotation of the first cylinder relative to the frame or the oscillating hitch. A first angle sensor senses a first angular displacement of the first isolating mechanism about a first rotational axis. A second isolating mechanism couples to the second cylinder and rotates in response to a second rotation of the second cylinder relative to the frame or the oscillating hitch. A second angle sensor senses a second angular displacement of the second isolating mechanism about a second rotational axis.
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Patent Agency Ranking
公开(公告)号：US20200262475A1
公开(公告)日：2020-08-20
申请号：US16280752
申请日：2019-02-20
Applicant: Caterpillar Inc.
Inventor： Wendell Dean STAHL , Jeremy T. Peterson
Abstract: An electronic control unit (ECU) may receive, from an autonomous vehicle controller, an instruction to set a hydraulic steering actuator, of a vehicle, to a particular machine steering angle setting. The ECU may provide, to a steering controller torque device, a current to set a steering controller, of the vehicle, to a particular steering controller angle that corresponds to the particular machine steering angle setting. The ECU may provide, to a hydraulic control system, a current to set the hydraulic steering actuator to the particular machine steering angle setting.
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7.发明申请MACHINE HAVING HYDRAULICALLY ACTUATED IMPLEMENT SYSTEM WITH COMBINED RIDE CONTROL AND DOWNFORCE CONTROL SYSTEM 有权具有组合式控制和下降控制系统的液压执行系统的机器公开(公告)号：US20140178164A1
公开(公告)日：2014-06-26
申请号：US13721313
申请日：2012-12-20
Applicant: CATERPILLAR INC.
Inventor： Jeremy T. Peterson , Jeffrey L. Kuehn , David J. Lomax , Michael L. Knussman
CPC classification number: E02F3/432 , E02F9/0841 , E02F9/2207 , E02F9/2217 , F15B1/021 , F15B1/033 , F15B21/082 , F15B2211/625 , F15B2211/6346 , F15B2211/6653 , F15B2211/6658 , F15B2211/7128 , F15B2211/85 , F15B2211/8606 , F15B2211/8616 , Y10T137/85986
Abstract: A machine is disclosed. The machine can include a frame and ground engaging propulsion elements coupled with the frame. A hydraulically actuated implement system can be coupled with the frame, and can include a linkage configured to couple with an implement, a hydraulic actuator coupled with the linkage and the frame, and a ride control and downforce control circuit configured to implement a ride control mode and a downforce control mode. The ride control mode can be configured to maintain a pressure of hydraulic fluid in the hydraulic actuator at a ride control pressure, and the downforce control mode can be configured to maintain the pressure of hydraulic fluid in the hydraulic actuator at a downforce control pressure to oppose the weight of the linkage and the implement such that the implement engages a substrate with a predetermined down force pressure which is proportionate to the downforce control pressure.
Abstract translation: 公开了一种机器。 机器可以包括与框架联接的框架和接地推进元件。 液压致动的工具系统可以与框架联接，并且可以包括构造成与工具联接的联动装置，与联动装置和框架联接的液压致动器以及被配置成实现行驶控制模式的行驶控制和下压力控制电路 和下压力控制模式。 行驶控制模式可以被配置为在液压致动器中保持液压流体在行驶控制压力下的压力，并且下压力控制模式可被构造成将液压致动器中的液压流体的压力维持在下压力控制压力 联动装置和工具的重量使得工具以与下压力控制压力成比例的预定下压力与基板接合。
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公开(公告)号：US12017699B2
公开(公告)日：2024-06-25
申请号：US17180321
申请日：2021-02-19
Applicant: Caterpillar Inc.
Inventor： John James Krone , Daniel Peter Sergison , Edward William Mate , Jeremy T. Peterson , Bradly Glen Duffer , Matthew Stephen Marquette
CPC classification number: B62D15/0225 , B62D5/062 , B62D5/12 , B62D7/06 , B62D7/16 , B62D7/18 , B62D15/021 , B62D7/166
Abstract: A machine includes a frame, a first steering arm, a second steering arm, a first hydraulic actuator coupled to the frame and the first steering arm, and a second hydraulic actuator coupled to the frame and the second steering arm. A first angle sensor measures a rotational displacement of the first hydraulic actuator relative to the first steering arm. A first link couples the first hydraulic actuator and the first sensor, and isolates movements other than the first rotational displacement. A second angle sensor measures a second rotational displacement of the second hydraulic actuator relative to the second steering arm. A second link couples the second hydraulic actuator and the second sensor, and isolates movements other than the second rotational displacement.
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公开(公告)号：US20230019722A1
公开(公告)日：2023-01-19
申请号：US17376982
申请日：2021-07-15
Applicant: Caterpillar Inc.
Inventor： Edward William Mate , William N. O'Neill , Jeremy T. Peterson , Richard A. Carpenter
Abstract: A secondary steering pump system may include a secondary steering pump, a bypass valve having a first bypass position configured for placing the secondary steering pump in fluid communication with a hydraulic tank and a second use/testing position configured for placing the secondary steering pump in fluid communication with a steering control circuit. The system may also include a solenoid valve configured for actuation by a solenoid and for selectively actuating the bypass valve from the first position to the second position. The system may also include a pressure sensor configured for sensing pressure in the system.
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公开(公告)号：US20220266905A1
公开(公告)日：2022-08-25
申请号：US17180321
申请日：2021-02-19
Applicant: Caterpillar Inc.
Inventor： John James Krone , Daniel Peter Sergison , Edward William Mate , Jeremy T. Peterson , Bradly Glen Duffer , Matthew Stephen Marquette
Abstract: A machine includes a frame, a first steering arm, a second steering arm, a first hydraulic actuator coupled to the frame and the first steering arm, and a second hydraulic actuator coupled to the frame and the second steering arm. A first angle sensor measures a rotational displacement of the first hydraulic actuator relative to the first steering arm. A first link couples the first hydraulic actuator and the first sensor, and isolates movements other than the first rotational displacement. A second angle sensor measures a second rotational displacement of the second hydraulic actuator relative to the second steering arm. A second link couples the second hydraulic actuator and the second sensor, and isolates movements other than the second rotational displacement.
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