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公开(公告)号：USRE50153E1
公开(公告)日：2024-10-01
申请号：US17723038
申请日：2022-04-18
发明人： Mamoru Yoshioka
CPC分类号： F02D41/0077 , F02D41/0052 , F02D41/0072 , F02D41/22 , F02D41/221 , F02M26/47 , F02M26/49 , F02D2200/0406 , F02D2200/0408 , F02D2200/1002 , F02D2200/101 , Y02T10/40
摘要： An EGR apparatus includes an EGR passage to allow part of exhaust gas discharged from an engine to an exhaust passage to flow as EGR gas into an intake passage; an EGR valve to regulate an EGR flow rate in the EGR passage; various sensors for detecting an engine running state; and an ECU to control the EGR valve based on the detected running state to diagnose abnormality in the EGR valve. The ECU calculates a reference intake pressure according the detected engine rotation speed and load by reference to a reference intake pressure map showing a relationship of the reference intake pressure to engine rotation speed, and engine load, and determine whether or not the EGR valve has abnormality in opening/closing by comparing the reference intake pressure with the detected intake pressure.
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公开(公告)号：US20240229972A9
公开(公告)日：2024-07-11
申请号：US18381815
申请日：2023-10-19
发明人： Takafumi Uratsuka
CPC分类号： F16K49/00 , F16K7/14 , F16K31/0672
摘要： A valve device that includes a housing; an inlet passage disposed inside the housing and into which a fluid is introduced; a first discharging unit disposed at a downstream end of the inlet passage; an outlet passage disposed inside the housing, communicating with the first discharging unit, extending in a direction different from the inlet passage, and configured to discharge the fluid outside; a communication chamber disposed between the first discharging unit and the outlet passage and communicating with these members; a valve seat disposed on the first discharging unit; a valve body configured to contact the valve seat to open and close the first discharging unit; a heater; and a heat transfer plate disposed inside the housing, extending along the inlet passage, and configured to transfer heat from the heater to the fluid. The inlet passage may approach closer to the outlet passage toward the first discharging unit side.
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公开(公告)号：US12025536B2
公开(公告)日：2024-07-02
申请号：US17730489
申请日：2022-04-27
发明人： Yuya Tanida , Mariko Kawase
摘要： A leakage detector for a fuel vapor processing system includes a pressure sensor and a control unit. The pressure sensor is configured to measure an internal pressure of the fuel vapor processing system. The control unit is configured to calculate changes of a fuel vapor pressure from a saturation vapor pressure curve of the fuel vapor, a fuel vapor concentration of the fuel vapor in a gaseous layer within the fuel vapor processing system, and a convective velocity in the gaseous layer, to correct a reference pressure for leakage detection based on the changes of the fuel vapor pressure so as to calculate a corrected reference pressure, and to compare the internal pressure measured by the first pressure sensor to the corrected reference pressure so as to determine whether any of the fuel vapor has leaked from the fuel vapor processing system.
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公开(公告)号：US20240200683A1
公开(公告)日：2024-06-20
申请号：US18286419
申请日：2022-02-22
发明人： Mitsuyoshsi ITAHARA
摘要： A valve device that includes a first valve body including an opening; a second valve body arranged within the first valve body and movable relative to the first valve body; a first valve seat arranged around an opening of a valve chamber, wherein the first valve body contacts the first valve seat; a second valve seat arranged around the opening of the first valve body, wherein the second valve body contacts the second valve seat; a piston applying a force to the second valve body by contacting the second valve body such that the second valve body is separated from the second valve seat; a movement restricting member fixed to the first valve body and restricting a movement of the second valve body in an axial direction relative to the first valve body; and a rotation restricting member restricting rotation of the first valve body relative to the second valve body.
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公开(公告)号：US20240175404A1
公开(公告)日：2024-05-30
申请号：US18432929
申请日：2024-02-05
发明人： Yukihiko Yato
IPC分类号： F02D41/30
CPC分类号： F02D41/3082 , F02D2200/0602 , F02D2200/0606 , F02D2200/50
摘要： A pump unit may include a pump configured to increase a pressure of diesel fuel and discharge the diesel fuel to a fuel passage in which a filter is disposed, and a controller configured to control an operation of the pump. The controller may be configured to execute freeze avoidance control in which the operation of the pump is controlled using an index that indicates a degree of clogging of the filter caused by the diesel fuel freezing. In the freeze avoidance control, the controller may be configured to apply a higher load to the pump as the degree of clogging of the filter indicated by the index is higher.
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公开(公告)号：US11994446B2
公开(公告)日：2024-05-28
申请号：US18080716
申请日：2022-12-13
发明人： Kazuki Nagao , Koki Hirata
IPC分类号： G01M15/04
CPC分类号： G01M15/042
摘要： A deterioration estimator for an electronic throttle device allows a throttle valve to be driven by a drive mechanism. The throttle valve is continuously operated to open and/or close. If operated to open, it opens from a first opening position, which is on a closed side from an opener opening position and in which the throttle valve is biased to an open side by an opener mechanism, to a second opening position, the second opening position being on an open side from the opener opening position with the throttle valve being biased to the closed side by the opener mechanism. If operated to close, the throttle valve is operated to close from the second opening position to the first opening position. A deteriorated condition of the electronic throttle device is estimated by detecting a behavior of the drive mechanism when the throttle valve passes by the opener opening position.
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公开(公告)号：US20240125406A1
公开(公告)日：2024-04-18
申请号：US18376141
申请日：2023-10-03
发明人： Takafumi URATSUKA
CPC分类号： F16K31/0672 , F16K7/14
摘要： A valve device may include a housing, an inlet passage into which a fluid is introduced from outside, a first discharging unit disposed at a downstream end of the inlet passage, an outlet passage communicating with the first discharging unit and configured to discharge the fluid outside, a communication chamber communicating with the first discharging unit and including an end communicating with the outlet passage, a valve seat disposed on the first discharging unit, a valve body configured to contact the valve seat and to open and close the first discharging unit, a plunger configured to move the valve body relative to the valve seat, a driving unit fixed to the housing and supporting the plunger in a movable state, and a restricting portion configured to restrict movement of the valve body by being interposed between the plunger and the driving unit when the first discharging unit is open.
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公开(公告)号：US20240072276A1
公开(公告)日：2024-02-29
申请号：US18238031
申请日：2023-08-25
发明人： TAKAFUMI URATSUKA
IPC分类号： H01M8/04119 , B60L58/40
CPC分类号： H01M8/04156 , B60L58/40
摘要： A water discharge valve system that may include a gas-liquid separator configured to store water discharged from a fuel cell; a water discharge valve configured to discharge the water stored in the gas-liquid separator outside; and a controller configured to execute open-close control of the water discharge valve, wherein the controller intermittently opens and closes the water discharge valve such that a ratio of a valve-open duration to a valve-closed duration of the water discharge valve decreases as time passes from start of the open-close control.
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公开(公告)号：US11821394B2
公开(公告)日：2023-11-21
申请号：US17514671
申请日：2021-10-29
发明人： Nobutaka Teshima , Tetsuji Aishima
CPC分类号： F02M37/0017 , B62D25/082 , F16L3/00
摘要： A fuel supply apparatus to be mounted in a vehicle includes an injector, a rear delivery pipe and a front delivery pipe connected to the injector, and a fixed flange that is provided in the rear delivery pipe to fix the rear delivery pipe to a PCU. The fixed flange includes a cutout.
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公开(公告)号：US20230344053A1
公开(公告)日：2023-10-26
申请号：US18026682
申请日：2021-09-21
发明人： Kazuki TAGA , Mamoru YOSHIOKA
IPC分类号： H01M50/242
CPC分类号： H01M50/242
摘要： A supporting structure includes a housing accommodating an all-solid-state battery; and a supporting member interposed between the all-solid-state battery and the housing and supporting the all-solid-state battery while the all-solid-state battery is accommodated in the housing. The supporting member includes a plurality of first spring portions arranged in a first direction orthogonal to a direction in which the all-solid-state battery and the supporting member are arranged. The first spring portions each include a first supporting point portion projecting toward the housing or the all-solid-state battery; a pair of second supporting point portions projecting toward an opposite side to the first supporting point portion at positions spaced from the first supporting point portion in the first direction; and a first cavity portion provided between the pair of second supporting point portions at a position facing the first supporting point portion.
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