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    • 2. 发明授权
    • Combustion chamber for internal combustion engine
    • 内燃机燃烧室
    • US4995359A
    • 1991-02-26
    • US372245
    • 1989-06-27
    • Junichi YokoyamaTomonori UrushiharaTeruyuki ItohHiroyuki Fujii
    • Junichi YokoyamaTomonori UrushiharaTeruyuki ItohHiroyuki Fujii
    • F02B1/04F02B23/08F02F1/24F02F1/42
    • F02F1/4264F02B23/08F02F1/4214F02B1/04F02F2001/245Y02T10/125Y02T10/146
    • To smoothly introduce intake air or mixture through at least one intake valve and exhaust combustion gas through at least exhaust valve, an intake side conical wall surface is formed in an inner wall of the cylinder head in smooth continuous connection with a conical surface formed at an end of the intake valve seat, and an exhaust side conical wall surface is also formed in the inner wall of the cylinder head in smooth continuous connection with a conical surface formed at an end surface of the exhaust valve seat. It is preferable not to allow liquid fuel introduced through the intake to flow directly toward an ignition plug provided at the center of the cylinder, but to allow the introduced liquid fuel to flow directly toward the exhaust port along a flat surface, recess, groove, guide surface, etc. formed around the ignition plug for prevention of misfiring. Further, it is preferable to form a recess on a top surface of the piston, project the ignition plug from inner surface of the cylinder head, incline ignition plug toward the exhaust port, obstruct liquid introduced through the intake valve by a boundary projection formed between the intake and exhaust side conical wall surfaces, etc.
    • 为了通过至少一个进气门平稳地引入进入空气或混合物,并通过至少排气阀排放燃烧气体,进气侧锥形壁表面形成在气缸盖的内壁中,与圆锥形表面形成平滑连续的连接 进气阀座的端部,并且在气缸盖的内壁中还形成有排气侧锥形壁表面,其与形成在排气阀座的端面处的锥形表面平滑连续地连接。 优选地,不允许通过进气引入的液体燃料直接流向设置在气缸中心的火花塞,而是允许引入的液体燃料沿着平坦表面,凹槽,凹槽等直接流向排气口, 引导表面等形成在火花塞周围,以防止失火。 此外,优选在活塞的顶面上形成凹部,使火花塞从气缸盖的内表面突出,将火花塞朝向排气口倾斜,阻止通过进气门引入的液体, 进气和排气侧锥形壁面等
    • 3. 发明授权
    • Apparatus for and method of measuring fuel density in an engine
    • 用于测量发动机燃料密度的装置和方法
    • US06903822B2
    • 2005-06-07
    • US10175228
    • 2002-06-20
    • Akihiko KakuhoTeruyuki ItohYutaka Hashidume
    • Akihiko KakuhoTeruyuki ItohYutaka Hashidume
    • F02D45/00G01M15/04G01N21/35G01N21/3504F01N3/00G01N21/61
    • G01N21/3577
    • A measuring light of specific wavelength, which is selectively absorbed by fuel, is transmitted through a measuring passage in a combustion chamber of an engine, to be received by a light receiving element, and intensity of the measuring light of specific wavelength received by the light receiving element is detected. Intensity of the measuring light having transmitted through the measuring passage is calculated, correcting the intensity of the light of specific wavelength detected when transmitting the measuring light through the measuring passage, with the intensity of the light of specific wavelength detected when intercepting the measuring light from transmitting through the measuring passage, while switching between the transmission of the measuring light through the measuring passage and the interception of the measuring light, and transmittance of the measuring light is calculated, based on the intensity of the measuring light before transmitting through the measuring passage and the intensity of the measuring light having transmitted through the measuring passage, so that fuel density in air-fuel mixture in the measuring passage is calculated based on the transmittance. Hereby, the fuel density can be accurately measured by removing an influence by the thermal radiation in the interior of the combustion chamber.
    • 被燃料选择性地吸收的特定波长的测量光通过发动机的燃烧室中的测量通道传输,被光接收元件接收,并且由光接收的特定波长的测量光的强度 检测到接收元件。 计算通过测量通道的测量光的强度,校正当通过测量通道传输测量光时检测到的特定波长的光的强度,其中当截取来自测量光的测量光时检测到特定波长的光的强度 通过测量通道传输,同时在通过测量通道的测量光的透射与测量光的截取之间切换,并且基于在通过测量通道传送之前的测量光的强度来计算测量光的透射率 以及透过测量通道的测量光的强度,从而基于透射率计算测量通道中的空气 - 燃料混合物中的燃料密度。 因此,可以通过消除燃烧室内部的热辐射的影响来精确地测量燃料密度。
    • 4. 发明授权
    • Data processing system and method capable of halting supply of clock signal without delay
    • 数据处理系统和方法能够暂时停止提供时钟信号
    • US06216232B1
    • 2001-04-10
    • US09184250
    • 1998-11-02
    • Takashi KomuraTeruyuki Itoh
    • Takashi KomuraTeruyuki Itoh
    • G06F126
    • G06F9/30083G06F1/3203G06F1/3237G06F1/3287G06F9/30079G06F9/3867Y02D10/128Y02D10/171
    • A data processing system which executes pipeline processing that decodes a subsequent instruction in an execute phase of a current instruction in response to a clock signal. The data processing system includes a CPU and a mode management block. The CPU supplies an address bus with at least one predetermined address in an execute phase of a clock supply stop instruction. The mode management block produces a clock stop signal if the predetermined address agrees with a self-address assigned to the management block in advance, thereby halting the supply of the clock signal. This makes it possible to solve a problem of a conventional data processing system in that it executes the instruction next to the clock supply stop instruction in spite of execution of the clock supply stop instruction because the clock stop signal is actually output when the clock supply stop instruction shifts from the execute phase to the write back phase, in which case the next instruction proceeds in the execute phase.
    • 一种数据处理系统,其执行流水线处理,该流程处理响应于时钟信号对当前指令的执行阶段中的后续指令进行解码。 数据处理系统包括CPU和模式管理块。 CPU在时钟供给停止指令的执行阶段中提供具有至少一个预定地址的地址总线。 如果预定地址与预先分配给管理块的自身地址一致,则模式管理块产生时钟停止信号,从而停止提供时钟信号。 这使得可以解决传统的数据处理系统的问题,因为即使执行时钟供给停止指令,它执行时钟供给停止指令旁边的指令,因为当时钟供给停止时实际输出时钟停止信号 指令从执行阶段转移到写回阶段,在这种情况下,下一个指令在执行阶段中进行。