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1. 发明申请

US20210199537A1 ENGINE TESTING DEVICE 有权
公开(公告)号：US20210199537A1
公开(公告)日：2021-07-01
申请号：US16071837
申请日：2017-03-31
申请人： Hirata Corporation
发明人： Tsutomu NAKAUCHI , Keisuke TERAMOTO , Kosei KINO , Hisayuki SUEOKA
IPC分类号： G01M15/04 , G01M15/02
摘要： An engine testing device including a plurality of seal head units movable forward and backward relative to the intake ports and the exhaust ports. Each of the seal head units includes a plurality of seal heads disposed side by side and are connectable to respective ports of the intake ports and the exhaust ports. A pitch-varying unit changes interval pitches between the seal heads of at least one of the seal head units. The pitch-varying unit includes a plurality of first movement mechanisms connected with the seal heads and movable in a direction across the seal heads disposed side by side, and a plurality of drivers to drive the first movement mechanisms.

2. 发明申请

US20180133853A1 ASSEMBLING APPARATUS AND ASSEMBLING METHOD 审中-公开
公开(公告)号：US20180133853A1
公开(公告)日：2018-05-17
申请号：US15802222
申请日：2017-11-02
申请人： HIRATA CORPORATION
发明人： Hisayuki SUEOKA , Tsutomu NAKAUCHI , Koji KUROKAWA
IPC分类号： B23P19/04 , B23P21/00
摘要： An assembling apparatus places a retainer on a valve spring to surround an upper end of a valve stem. The apparatus includes an assembling head, and a moving unit configured to move the assembling head between the supply position of the retainer and an assembling position. The assembling head includes a holding unit configured to hold the retainer, and a push unit configured to push out the retainer. The push unit includes a push member supported to be able to advance/retreat along an elevating direction of the assembling head, and a biasing member configured to bias the push member in an advancing direction.

3. 发明申请

US20160031075A1 PISTON SUPPLY APPARATUS AND PISTON SUPPLY METHOD 审中-公开
标题翻译：活塞供应装置和活塞供应方法
公开(公告)号：US20160031075A1
公开(公告)日：2016-02-04
申请号：US14885251
申请日：2015-10-16
申请人： HIRATA CORPORATION
发明人： Hisayuki SUEOKA , Yasuhiko WAKATSUKI
IPC分类号： B25J9/00 , B25J15/00
CPC分类号： B25J9/00 , B23P19/001 , B23P19/043 , B25J9/0084 , B25J15/00 , Y10T29/49256
摘要： A piston supply apparatus includes a piston gripping portion and a piston supply portion. The piston supply portion includes a connecting rod gripping unit gripping the connecting rod of the piston placed in a preparation area, a guide member abutting against a skirt portion of the piston to match an axial direction of the piston with a predetermined specified direction, a moving unit moving the gripping unit from the preparation area to a supply position in air, and a pivoting unit making the gripping unit pivot such that the piston top portion of the piston in a downward state is set in an upward state. The piston supply apparatus further includes a pressing unit pressing the piston top portion of the piston made to pivot to the upward state against the guide member.
摘要翻译：活塞供给装置包括活塞夹持部和活塞供给部。活塞供应部分包括连接杆夹持单元，其夹持放置在准备区域中的活塞的连接杆，导向构件抵靠活塞的裙部与活塞的轴向方向相匹配，具有预定的指定方向，移动将所述夹持单元从所述准备区域移动到空气中的供给位置;以及枢转单元，其使所述夹紧单元枢转，使得所述活塞在向下状态下的活塞顶部被设定在向上状态。活塞供给装置还包括按压单元，该按压单元按压所述活塞的活塞顶部，以使其相对于所述引导构件枢转到向上的状态。

4. 发明申请

US20210008674A1 ASSEMBLING APPARATUS AND ASSEMBLING METHOD 有权
公开(公告)号：US20210008674A1
公开(公告)日：2021-01-14
申请号：US17035836
申请日：2020-09-29
申请人： HIRATA CORPORATION
发明人： Hisayuki SUEOKA , Tsutomu NAKAUCHI , Koji KUROKAWA
IPC分类号： B23P19/04 , B23P21/00 , F01L3/24 , F01L3/10
摘要： An assembling apparatus places a retainer on a valve spring to surround an upper end of a valve stem. The apparatus includes an assembling head, and a moving unit configured to move the assembling head between the supply position of the retainer and an assembling position. The assembling head includes a holding unit configured to hold the retainer, and a push unit configured to push out the retainer. The push unit includes a push member supported to be able to advance/retreat along an elevating direction of the assembling head, and a biasing member configured to bias the push member in an advancing direction.

5. 发明申请

US20210008673A1 ASSEMBLING APPARATUS, ASSEMBLING HEAD, AND ASSEMBLING METHOD 有权
公开(公告)号：US20210008673A1
公开(公告)日：2021-01-14
申请号：US17034659
申请日：2020-09-28
申请人： HIRATA CORPORATION
发明人： Hisayuki SUEOKA
IPC分类号： B23P19/04 , B23P21/00 , F01L3/10 , F01L3/24
摘要： An assembling apparatus assembles a retainer by engaging a pair of cotter pieces with a valve stem. The apparatus includes an assembling head configured to hold, in a separated state, the pair of cotter pieces in the separated state prepared by a preparation unit and engage the pair of cotter pieces with the upper end of the valve stem. The head includes a storage member including a storage chamber, and a holding unit capable of pressing the pair of cotter pieces stored in the storage chamber against the upper end of the valve stem. The storage member includes first and second abutting portions. The second abutting portion positions the valve stem in the axial direction, and the first abutting portion positions the pair of cotter pieces in the axial direction.

6. 发明申请

US20220118565A1 ASSEMBLING APPARATUS, ASSEMBLING HEAD, AND ASSEMBLING METHOD 有权
公开(公告)号：US20220118565A1
公开(公告)日：2022-04-21
申请号：US17564832
申请日：2021-12-29
申请人： HIRATA CORPORATION
发明人： Hisayuki SUEOKA
IPC分类号： B23P19/04 , B23P21/00 , F01L3/10 , F01L3/24
摘要： An assembling apparatus assembles a retainer by engaging a pair of cotter pieces with a valve stem. The apparatus includes an assembling head configured to hold, in a separated state, the pair of cotter pieces in the separated state prepared by a preparation unit and engage the pair of cotter pieces with the upper end of the valve stem. The head includes a storage member including a storage chamber, and a holding unit capable of pressing the pair of cotter pieces stored in the storage chamber against the upper end of the valve stem. The storage member includes first and second abutting portions. The second abutting portion positions the valve stem in the axial direction, and the first abutting portion positions the pair of cotter pieces in the axial direction.

7. 发明申请

US20180117722A1 ASSEMBLING APPARATUS, ASSEMBLING HEAD, AND ASSEMBLING METHOD 审中-公开
公开(公告)号：US20180117722A1
公开(公告)日：2018-05-03
申请号：US15801769
申请日：2017-11-02
申请人： HIRATA CORPORATION
发明人： Hisayuki SUEOKA
IPC分类号： B23P19/04 , B23P21/00
摘要： An assembling apparatus assembles a retainer by engaging a pair of cotter pieces with a valve stem. The apparatus includes an assembling head configured to hold, in a separated state, the pair of cotter pieces in the separated state prepared by a preparation unit and engage the pair of cotter pieces with the upper end of the valve stem. The head includes a storage member including a storage chamber, and a holding unit capable of pressing the pair of cotter pieces stored in the storage chamber against the upper end of the valve stem. The storage member includes first and second abutting portions. The second abutting portion positions the valve stem in the axial direction, and the first abutting portion positions the pair of cotter pieces in the axial direction.

8. 发明申请

US20150276551A1 TESTING DEVICE AND TESTING UNIT 有权
标题翻译：测试设备和测试单元
公开(公告)号：US20150276551A1
公开(公告)日：2015-10-01
申请号：US14670052
申请日：2015-03-26
申请人： HIRATA CORPORATION
发明人： Hisayuki SUEOKA , Tsuyoshi UCHIDA
IPC分类号： G01M15/09 , G01M15/05 , G01M15/10
CPC分类号： G01M15/09 , G01M15/05 , G01M15/08 , G01M15/106
摘要： The present invention provides a testing device testing a multi-cylinder engine including a plurality of ports including an intake port and an exhaust port in a pseudo driving state. The device includes a plurality of pressure inspection units and at least one opening/closing mechanism. Each of the plurality of pressure inspection units includes a pipeline connected to one of the plurality of ports, a sensor for detecting a pressure in the pipeline and a valve for opening/closing the pipeline. The opening/closing mechanism includes one actuator and a transmission mechanism connected to the actuator and transmitting a driving force of the actuator to an operation unit of each of the plurality of valves to open and close the plurality of valves.
摘要翻译：本发明提供了一种测试包括多个端口在内的多气缸发动机的测试装置，该多个气缸包括处于伪驾驶状态的进气口和排气口。该装置包括多个压力检查单元和至少一个打开/关闭机构。多个压力检查单元中的每一个包括连接到多个端口中的一个的管道，用于检测管道中的压力的传感器和用于打开/关闭管道的阀。开/关机构包括一个致动器和连接到致动器的传动机构，并将致动器的驱动力传递到多个阀中的每一个的操作单元以打开和关闭多个阀。

9. 发明申请

US20220161377A1 ASSEMBLING APPARATUS AND ASSEMBLING METHOD 有权
公开(公告)号：US20220161377A1
公开(公告)日：2022-05-26
申请号：US17668801
申请日：2022-02-10
申请人： HIRATA CORPORATION
发明人： Hisayuki SUEOKA , Tsutomu NAKAUCHI , Koji KUROKAWA
IPC分类号： B23P19/04 , B23P21/00 , F01L3/24 , F01L3/10
摘要： An assembling apparatus places a retainer on a valve spring to surround an upper end of a valve stem. The apparatus includes an assembling head, and a moving unit configured to move the assembling head between the supply position of the retainer and an assembling position. The assembling head includes a holding unit configured to hold the retainer, and a push unit configured to push out the retainer. The push unit includes a push member supported to be able to advance/retreat along an elevating direction of the assembling head, and a biasing member configured to bias the push member in an advancing direction.

10. 发明申请

US20210008675A1 ASSEMBLING APPARATUS AND ASSEMBLING METHOD 有权
公开(公告)号：US20210008675A1
公开(公告)日：2021-01-14
申请号：US17035883
申请日：2020-09-29
申请人： HIRATA CORPORATION
发明人： Hisayuki SUEOKA , Tsutomu NAKAUCHI , Koji KUROKAWA
IPC分类号： B23P19/04 , B23P21/00 , F01L3/24 , F01L3/10
摘要： An assembling apparatus places a retainer on a valve spring to surround an upper end of a valve stem. The apparatus includes an assembling head, and a moving unit configured to move the assembling head between the supply position of the retainer and an assembling position. The assembling head includes a holding unit configured to hold the retainer, and a push unit configured to push out the retainer. The push unit includes a push member supported to be able to advance/retreat along an elevating direction of the assembling head, and a biasing member configured to bias the push member in an advancing direction.

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