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    • 3. 发明授权
    • Steel laminate gasket with reduced hole
    • 带有减少孔的钢层压垫片
    • US5280929A
    • 1994-01-25
    • US908433
    • 1992-06-30
    • Yoshio MiyaohYoshio Yamada
    • Yoshio MiyaohYoshio Yamada
    • F16J15/08
    • F16J15/0831F16J2015/0837F16J2015/0856
    • A steel laminate gasket of the present invention is installed between two engine parts having at least one fluid hole. The gasket comprises a first plate having at least one first hole, a second plate situated above the first plate and having at least one second hole, at least one third plate situated above the second plate and having at least one third hole, and a cover member for covering at least first and third holes. The size of the first hole is smaller than the fluid hole of the engine parts to restrict flow rate of fluid passing therethrough. The second plate is provided with a first sealing device situated around the fluid hole such that the first sealing device is sandwiched between the two engine parts. The size of the second hole is smaller than the first sealing device. The size of the third hole is substantially the same as that of the first hole. The third plate is provided with a stepped portion, which is located inside the first sealing device when the plates are assembled together.
    • 本发明的钢层压垫片安装在具有至少一个流体孔的两个发动机部件之间。 垫圈包括具有至少一个第一孔的第一板,位于第一板上方并具有至少一个第二孔的第二板,位于第二板上方并具有至少一个第三孔的至少一个第三板,以及盖 用于至少覆盖第一和第三孔的构件。 第一孔的尺寸小于发动机部件的流体孔,以限制流过其中的流体的流量。 第二板设置有围绕流体孔设置的第一密封装置,使得第一密封装置夹在两个发动机部件之间。 第二孔的尺寸小于第一密封装置。 第三孔的尺寸与第一孔的尺寸基本相同。 第三板设置有阶梯部,当台板组装在一起时,该阶梯部位于第一密封装置的内部。
    • 4. 发明申请
    • Metal gasket
    • 金属垫片
    • US20060163820A1
    • 2006-07-27
    • US11339655
    • 2006-01-26
    • Tsunekazu UdagawaYoshio YamadaYoshio Miyaoh
    • Tsunekazu UdagawaYoshio YamadaYoshio Miyaoh
    • F02F11/00
    • F02F11/002F16J15/0825F16J2015/0837
    • A metal gasket for providing a seal between a cylinder head and a cylinder block of an engine is a laminate of a first metal plate, a second metal plate, and a third metal plate. The first metal plate has a folded portion for positioning around a cylinder bore, the second metal plate has a first full bead inside the folded portion to provide a primary sealing portion, and the third metal plate has a second full bead provided around an outer circumference of the first full bead to provide a secondary sealing portion. The primary sealing portion has a primary sealing surface pressure, and the secondary sealing portion has a secondary sealing surface pressure less than the primary sealing surface pressure. The secondary sealing portion provides enhanced following capability during engine operation.
    • 用于在气缸盖和发动机的气缸体之间提供密封的金属垫圈是第一金属板,第二金属板和第三金属板的层叠体。 第一金属板具有用于围绕缸孔定位的折叠部分,第二金属板在折叠部分内具有第一整个胎圈,以提供主密封部分,并且第三金属板具有围绕外周设置的第二整个胎圈 以提供第二密封部分。 主密封部分具有初级密封表面压力,并且次级密封部分具有小于主密封表面压力的次级密封表面压力。 二次密封部分在发动机操作期间提供增强的跟随能力。
    • 5. 发明授权
    • Cylinder head gasket
    • 气缸盖垫片
    • US06851677B2
    • 2005-02-08
    • US10284344
    • 2002-10-31
    • Yoshio MiyaohKisho Yasuda
    • Yoshio MiyaohKisho Yasuda
    • F02F11/00F16J15/08
    • F16J15/0825F16J2015/0837F16J2015/0862
    • A cylinder head gasket for an internal combustion engine includes a first metal plate having first holes and first beads formed around the respective first holes, and a second metal plate disposed under the first metal plate and having a second bead extending toward the first metal plate. A distance between the first and second beads or a width of at least one of the first and second beads at a high heat load portion of the cylinder bore is formed to be greater than a distance between the first and second beads or a width of at least one of the first and second beads at a low heat load portion of the cylinder bore to thereby reduce a surface pressure at the high heat load portion.
    • 一种用于内燃机的气缸盖衬垫包括:第一金属板,具有第一孔和围绕各个第一孔形成的第一珠;以及第二金属板,设置在所述第一金属板的下面,并且具有朝向所述第一金属板延伸的第二珠。 第一和第二珠之间的距离或在缸孔的高热负荷部分处的第一和第二珠中的至少一个的宽度被形成为大于第一和第二珠之间的距离或者在 在气缸孔的低热负荷部分处的第一和第二小珠中的至少一个,从而降低高热负荷部分处的表面压力。
    • 7. 发明授权
    • Metal gasket with different surface pressure portions
    • 具有不同表面压力部分的金属垫片
    • US06161842A
    • 2000-12-19
    • US300267
    • 1999-04-27
    • Yoshio Miyaoh
    • Yoshio Miyaoh
    • F16J15/08
    • F16J15/0825F16J2015/0837
    • A metal gasket is formed of first, second and third metal plates laminated together. The first metal plate has a first hole, and the second metal plate is situated above the first metal plate and has a second hole. The second hole is greater than the first hole and has a second edge located above the first metal plate. A first bead is formed in at least one of the first and second metal plates to surround the first and second holes. The third metal plate includes a base portion situated above the second metal plate, a curved portion extending from the base portion and situated inside the first and second holes, and a flange extending from the curved portion and situated under the first metal plate. The flange has a third edge located between the first and second edges, so that high surface pressure areas are formed above the flange and the first bead with a low surface pressure area therebetween, by which the gasket can be securely sealed.
    • 金属垫片由层压在一起的第一,第二和第三金属板形成。 第一金属板具有第一孔,第二金属板位于第一金属板的上方,具有第二孔。 第二孔大于第一孔,并且具有位于第一金属板上方的第二边缘。 第一珠形成在第一和第二金属板中的至少一个中以包围第一孔和第二孔。 第三金属板包括位于第二金属板上方的基部,从基部延伸并位于第一和第二孔内的弯曲部分,以及从弯曲部分延伸并位于第一金属板下方的凸缘。 凸缘具有位于第一和第二边缘之间的第三边缘,使得高的表面压力区域形成在凸缘和第一凸缘之上,其间具有低的表面压力面积,由此可以牢固地密封垫圈。
    • 8. 发明授权
    • Metal laminate gasket with wide and narrow flange portions
    • 金属叠层垫片,宽,窄法兰部分
    • US6139025A
    • 2000-10-31
    • US149170
    • 1998-09-08
    • Yoshio Miyaoh
    • Yoshio Miyaoh
    • F16J15/08F02F11/00
    • F16J15/0825F16J2015/0837F16J2015/0856
    • A metal laminate gasket for an internal combustion engine is formed of first, second and third metal plates. The first metal plate includes a base portion, a curved portion extending from the base portion to define a hole for a cylinder bore, and a flange extending from the curved portion and disposed under the base portion. The flange has a plurality of wide flange portions and narrow flange portions alternately arranged to each other such that the wide flange portions are located near bolt holes arranged around the cylinder bore to support high tightening pressures applied thereto. The second plate is situated under the base portion, and has a first bead formed around the cylinder bore and disposed between the base portion and the flange. The third plate is situated between the base portion and the second metal plate, and is located outside the flange. The tightening pressures by bolts are supported by the wide and narrow flange portions to securely seal around the cylinder bore.
    • 用于内燃机的金属叠层垫圈由第一,第二和第三金属板形成。 第一金属板包括基部,从基部延伸以限定用于气缸孔的孔的弯曲部分,以及从弯曲部分延伸并设置在基部下方的凸缘。 凸缘具有多个宽的凸缘部分和彼此交替布置的窄的凸缘部分,使得宽的凸缘部分位于围绕气缸孔布置的螺栓孔附近,以支撑施加到其上的高的紧固压力。 第二板位于基部下方,并且具有形成在缸孔周围并设置在基部和凸缘之间的第一胎圈。 第三板位于基部和第二金属板之间,并位于凸缘的外侧。 螺栓的紧固压力由宽而窄的凸缘部分支撑,以可靠地密封气缸孔。
    • 9. 发明授权
    • Metal gasket
    • 金属垫片
    • US07367566B2
    • 2008-05-06
    • US11269605
    • 2005-11-09
    • Tsunekazu UdagawaYoshio Miyaoh
    • Tsunekazu UdagawaYoshio Miyaoh
    • F02F11/00
    • F16J15/0825
    • A metal gasket for sealing multiple cylinder bores includes one or more metal substrates, main sealing beads around each of the cylinder bores, and one or more sub-beads. The main sealing beads include meandering portions located in a sealing portion between the cylinder bores, and the sub-bead is provided between the meandering portions. By placing the sub-bead between the main bead meandering portions, the base portion of the meandering portion and the base portion of the sub-bead squeeze each other. As a result, the lower portion of the meandering portion can be prevented from slipping, and the surface pressure can be partially reinforced. The metal gasket provides an excellent seal in a location where surface pressure is often partially reduced.
    • 用于密封多个气缸孔的金属垫圈包括一个或多个金属基底,围绕每个气缸孔的主密封珠和一个或多个子珠。 主密封珠包括位于气缸孔之间的密封部分中的蜿蜒部分,并且在蜿蜒部分之间设置子珠。 通过将子珠放置在主珠粒弯曲部之间,蜿蜒部的基部和副珠的基部彼此挤压。 结果,可以防止蜿蜒部分的下部滑动,并且可以部分地增强表面压力。 金属垫圈在表面压力通常部分减少的位置提供了极好的密封。
    • 10. 发明授权
    • Metal gasket with peripheral bead
    • 带周边金属垫圈
    • US5961126A
    • 1999-10-05
    • US874627
    • 1997-06-13
    • Yoshio Miyaoh
    • Yoshio Miyaoh
    • F02F11/00F16J15/08
    • F16J15/0825F16J2015/0837F16J2015/0862
    • A metal gasket for an internal combustion engine is formed of a metal plate having a first side and a second side opposite to the first side, and at least one first hole corresponding to a cylinder bore. The first hole is located closer to the first side than to the second side to thereby form a first area at the first side and a second area greater than the first area at the second side. A first bead is formed in the metal plate to extend along an entire outer periphery of the metal plate. The first bead has a first portion located at the first side and a second portion located at the second side. The first portion has a spring constant greater than that at the second portion to thereby provide a tightening pressure on the metal plate as equal as possible. When sealing devices are formed around the fluid holes, the sealing devices can be equally compressed to securely seal therearound.
    • 用于内燃机的金属衬垫由具有与第一侧相对的第一侧和第二侧的金属板以及对应于气缸孔的至少一个第一孔形成。 第一孔位于比第二侧更靠近第一侧,从而在第一侧形成第一区域,在第二侧形成大于第一区域的第二区域。 在金属板上形成有沿金属板的整个外周延伸的第一珠。 第一珠具有位于第一侧的第一部分和位于第二侧的第二部分。 第一部分具有大于第二部分处的弹簧常数,从而在金属板上提供尽可能相等的紧固压力。 当围绕流体孔形成密封装置时,密封装置可以被均等地压缩以便在其周围牢固地密封。