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    • 82. 发明授权
    • Electric circuit substrate having a multilayer alignment mark structure
    • 具有多层对准标记结构的电路基板
    • US5768107A
    • 1998-06-16
    • US666811
    • 1996-06-19
    • Toshimichi OuchiMasanori Takahashi
    • Toshimichi OuchiMasanori Takahashi
    • H05K1/02H05K3/00H05K3/36H05K3/46H05K1/14
    • H05K1/0269H05K3/4638H05K1/0266H05K2201/0969H05K2201/09781H05K2201/09918H05K2203/0315H05K3/361
    • An electric circuit substrate having a multilayer structure is constituted from at least three wiring layers including an outermost wiring layer, at least one first inner wiring layer disposed under the outermost wiring layer, and a second inner wiring layer disposed under the at least one first inner wiring layer, each provided with a prescribed conductor pattern, respectively. In the multilayer structure, the outermost wiring layer has an alignment mark, the above-mentioned at least one first inner wiring layer has a blank portion free from its conductor pattern in a position immediately under the alignment mark, and the second inner wiring layer has an entire solid portion of its conductor pattern in a position immediately under the blank portion. The above multilayer structure including the alignment mark is effective in preventing recognition error or recognition failure of the alignment mark, thus allowing accurate positioning of the electric circuit substrate.
    • 具有多层结构的电路基板由至少三个布线层构成,所述布线层包括最外布线层,设置在最外布线层下方的至少一个第一内布线层和设置在所述至少一个第一内层 布线层,分别设置有规定的导体图案。 在多层结构中,最外面的布线层具有对准标记,上述至少一个第一内部布线层在正好位于对准标记的正下方具有没有导体图案的空白部分,第二内部布线层具有 其导体图案的整个实心部分处于空白部分正下方的位置。 包括对准标记的上述多层结构对于防止识别错误或对准标记的识别失败是有效的,因此允许电路基板的精确定位。
    • 85. 发明授权
    • Water circulation system for marine engine
    • 船用发动机水循环系统
    • US5555855A
    • 1996-09-17
    • US371413
    • 1995-01-11
    • Masanori Takahashi
    • Masanori Takahashi
    • F01P3/20F02B61/04F02B75/02F02B75/18F02B75/20F02M31/10F02M35/10F01P7/14
    • F02M35/10131F01P3/202F02B75/20F02M31/10F02M35/10072F02M35/10098F02M35/10268F02M35/10281F02M35/112F02M35/167F01P2050/04F01P2050/12F01P2060/10F02B2075/027F02B2075/1808F02B61/045F02M35/10196Y02T10/126
    • A water circulation system of a marine engine improves the consistency of engine combustion by stabilizing the temperature of water flowing through the engine water jacket and by heating the intake manifold to a temperature within a desired temperature range. The desired temperature range is defined so as to optimize fuel vaporization without significantly affecting the volumetric efficiency of the engine. The water circulation system includes a control valve which directs water flow through the circulation system according to the water temperature exiting the engine water jacket. The valve recirculates water between the engine water jacket and a recirculation path until the water temperature reaches a predetermined lower temperature limit. The control valve then allows a portion of the water to flow through a heating jacket around the intake manifold to heat the intake manifold. If the temperature of the recirculating water reaches a predetermined upper temperature limit, the control valve directs all of the water through the heating jacket until the temperature of the water exiting the engine water jacket falls below the upper temperature limit. In this manner, the water circulation system generally stabilizes the water temperature in the engine water jacket and heats the intake manifold to a temperature generally within the upper and lower temperature limits.
    • 海洋发动机的水循环系统通过使流过发动机水套的水的温度稳定并且通过将进气歧管加热到期望的温度范围内的温度来提高发动机燃烧的一致性。 定义所需的温度范围以优化燃料蒸发,而不会显着影响发动机的容积效率。 水循环系统包括控制阀,其根据离开发动机水套的水温引导水流过循环系统。 阀在发动机水套和再循环路径之间循环水,直到水温达到预定的较低温度极限。 然后,控制阀允许一部分水流过进气歧管周围的加热套,以加热进气歧管。 如果再循环水的温度达到预定的上限温度,则控制阀引导所有的水通过加热套,直到离开发动机水套的水温降到低于上限温度。 以这种方式,水循环系统通常使发动机水套中的水温稳定并且将进气歧管加热到通常在上限和下限温度范围内的温度。