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公开(公告)号：US4414840A
公开(公告)日：1983-11-15
申请号：US235986
申请日：1981-02-19
CPC分类号： G01L23/223 , G01L23/222 , G01L9/0022
摘要： A knock detecting apparatus includes a vibrating member with a disk-shaped vibrating portion whose resonant point is in the knock frequency range. The outer peripheral edge of the vibrating member is held substantially over the entire periphery. The vibrating portion of the vibrating member may be provided with holes and an addition such as a protrusion and/or a ring-shaped rib portion so as to vary the natural frequency of the vibrating member. Also, the size and shape of the holes and the cross-sectional area of the addition and/or the diameter of the rib portion may be varied to adjust the natural frequency of the vibrating member.
摘要翻译： 爆震检测装置包括振动部件，其具有谐振点处于爆震频率范围的盘状振动部。 振动部件的外周缘基本上保持在整个周边。 振动构件的振动部分可以设置有孔和诸如突起和/或环形肋部分的附加物，以便改变振动构件的固有频率。 此外，可以改变孔的尺寸和形状以及肋部的添加和/或直径的横截面积，以调节振动构件的固有频率。
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公开(公告)号：US4403505A
公开(公告)日：1983-09-13
申请号：US317405
申请日：1981-11-02
CPC分类号： F02P5/1455 , Y02T10/46
摘要： The pressure in the cylinder Pi(-.THETA.A) at the fixed angle -.THETA.A preceding to maximum ignition advance at the time of each combustion is determined from the output signal of a pressure detector for detecting the pressure in the cylinder of the internal combustion engine. The pressure in the cylinder Pi(+.THETA.B) at a predetermined angle +.THETA.B during the expansion process is also determined. It is decided whether the ratio Pi(+.THETA.B)/Pi(-.THETA.A) is larger or smaller than a predetermined value .beta. thereby to detect an ignition range always regardless of the running conditions of the internal combustion engine.
摘要翻译： 在每次燃烧时最大点火提前的固定角度 - THETA A处的气缸Pi（ - THETA A）中的压力由用于检测内燃机气缸中的压力的压力检测器的输出信号确定 发动机。 也确定在膨胀过程中在预定角度+ THETA B处的气缸Pi（+ THETA B）中的压力。 确定比率Pi（+ THETA B）/ Pi（ - THETA A）是否大于或小于预定值β，从而始终检测点火范围，而不管内燃机的运行状况如何。
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公开(公告)号：US4337643A
公开(公告)日：1982-07-06
申请号：US211296
申请日：1980-11-28
CPC分类号： G01L23/223
摘要： A knock detecting apparatus for internal combustion engines is provided with a vibrating rod of a magnetic material having a resonance characteristic in a knock frequency hand of an engine, a free end of the vibrating rod is inserted in a round through hole of a core to form an air gap between the inner surface of the round through hole and the outer surface of the vibrating rod, and the air gas constitutes a portion of a magnetic path between the core and the free end of the vibrating rod. The vibrating rod is allowed to vibrate in more than one directions and air gaps are also formed in respective vibrating directions thereby enabling to detect vibrations due to knock in more than one directions.
摘要翻译： 用于内燃机的爆震检测装置设置有在发动机的爆震频率手中具有谐振特性的磁性材料的振动杆，将振动棒的自由端插入到芯的圆形通孔中以形成 圆形通孔的内表面与振动杆的外表面之间的空气间隙，空气构成磁芯与振动杆的自由端之间的磁路的一部分。 允许振动杆在多个方向上振动，并且在各个振动方向也形成气隙，从而能够检测由于多于一个方向的敲击而产生的振动。
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公开(公告)号：US4336707A
公开(公告)日：1982-06-29
申请号：US152986
申请日：1980-05-27
IPC分类号： G01L23/22
CPC分类号： G01L23/223
摘要： A vibrator having a resonant frequency within a knocking frequency range forms a part of a magnetic path. The vibrator vibrates in response to the vibration of an internal combustion engine and this changes the reluctance of the magnetic path. The change in the reluctance is sensed by a coil to detect the presence of knock. The vibrator is enclosed with a damper substance consisting of a liquid or sol substance having viscosity of flow properties so that the vibration of the vibrator is restricted and the Q of the resonance characteristic of the vibrator is deteriorated, thus increasing the substantial range of frequency detection of the apparatus. If necessary, the damper substance is heated to maintain its viscosity at a predetermined value.
摘要翻译： 具有爆震频率范围内的谐振频率的振动器形成磁路的一部分。 振动器响应于内燃机的振动而振动，这改变了磁路的磁阻。 磁阻的变化由线圈感测以检测爆震的存在。 振动器由具有流动性粘度的液体或溶胶物质构成的阻尼物质包围，使得振动器的振动受到限制，振动器的共振特性的Q劣化，从而增加了频率检测的实质范围 的装置。 如果需要，阻尼物质被加热以将其粘度保持在预定值。
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公开(公告)号：US4130797A
公开(公告)日：1978-12-19
申请号：US853830
申请日：1977-11-21
申请人： Tadashi Hattori , Hiroaki Yamaguchi
发明人： Tadashi Hattori , Hiroaki Yamaguchi
摘要： In a gas component sensing apparatus a pair of thin film electrodes are arranged on opposite sides of a gas component sensor element, an electrical resistance of which varies in accordance with gas component in a gas under test. The change in the electrical resistance is taken out between a lead member and a housing through a first electrically conductive path which electrically connects one of the pair of electrodes to the lead member and a second electrically conductive path which electrically connects the other electrode to the housing.
摘要翻译： 在气体成分感测装置中，一对薄膜电极配置在气体成分传感器元件的相对侧，其电阻根据被测气体中的气体成分而变化。 通过将一对电极中的一个电连接到引线部件的第一导电路径以及将另一个电极电连接到壳体的第二导电路径在引线部件和壳体之间取出电阻的变化， 。
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公开(公告)号：US4409816A
公开(公告)日：1983-10-18
申请号：US291945
申请日：1981-08-11
CPC分类号： G01L9/0022 , G01H11/02 , G01L23/222 , G01L23/223
摘要： An engine knock detecting apparatus having a vibration member with a plate-shaped vibratory portion having a resonance frequency in the frequency range of knocking of the engine. In order to adjust and optimize the degree of peak of the resonance, at least a part of the vibratory portion of the vibration member has a multi-layered structure consisting of two or more layers.
摘要翻译： 一种发动机爆震检测装置，具有振动部件，该振动部件具有在发动机的爆震频率范围内具有共振频率的板状振动部。 为了调整和优化谐振的峰值，振动部件的振动部分的至少一部分具有由两层或更多层组成的多层结构。
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公开(公告)号：US4379403A
公开(公告)日：1983-04-12
申请号：US185445
申请日：1980-09-09
CPC分类号： G01H11/02 , G01L23/223
摘要： A knock detecting apparatus includes a vibrating means having a plate reed member adapted to vibrate in response to the vibrations of an internal combustion engine and a support member which is greater in thickness than the reed member and adapted to support the reed member, the reed and support members being made integrally from a magnetic material. When the reed member resonates upon the occurrence of knocking in the engine, the resulting change in the magnetic reluctance of the magnetic path including the reed member is sensed by a sensing coil to thereby detect the knock. The magnetic flux in the magnetic path is generated by a magnet or an excitation coil. An impedance element may be connected to the sensing coil or the excitation coil so as to correct variations in output from one coil to another.
摘要翻译： 爆震检测装置包括振动装置，该振动装置具有适于响应内燃机和支撑构件的振动而振动的板簧构件，该内燃机和支撑构件的厚度大于筘构件的厚度，并且适于支撑簧片构件， 支撑构件由磁性材料整体制成。 当簧片构件在发动机发生爆震时发生共振时，由感测线圈检测包括筘片的磁路的磁阻的变化，从而检测到爆震。 磁路中的磁通量由磁体或励磁线圈产生。 阻抗元件可以连接到感测线圈或励磁线圈，以便校正从一个线圈到另一个线圈的输出变化。
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公开(公告)号：US4366702A
公开(公告)日：1983-01-04
申请号：US178282
申请日：1980-08-15
CPC分类号： G01H11/02 , G01L23/223
摘要： A magnetic path is formed by a vibrating member disposed in a housing in the radial direction and fixed at its end to the housing, a central magnetic path portion which is disposed to make a gap between the vibrating member and the central magnetic portion and to extend in the axial direction of the housing substantially at its center, a radial magnetic path portion extending from the central magnetic path portion in the radial direction of the housing with a predetermined spacing kept from the vibrating member, and an outer peripheral magnetic path portion extending from the outer peripheral side of the radial magnetic path portion toward the vibrating member. A permanent magnet for supplying magnetic flux to the magnetic path is disposed at the central magnetic path portion in the form of bar or at the outer peripheral magnetic path portion in the form of ring or to surround the central magnetic path portion. The outer peripheral magnetic path portion may be magnetically shielded by housing made of a magnetic material. The vibrating member and the central magnetic path portion may be assembled beforehand to be an integral structure.
摘要翻译： 磁路由设置在壳体中的振动件沿径向形成并固定在壳体的端部，中心磁路部分设置成在振动件和中心磁性部分之间形成间隙并延伸 在所述壳体的轴向方向大体上位于其中心处的径向磁路部分，所述径向磁路部分从所述中心磁路部分沿着所述壳体的径向方向以与所述振动部件保持的预定间隔延伸;以及外周磁路部分， 径向磁路部分的外周侧朝向振动部件。 用于向磁路供给磁通量的永久磁铁设置在中心磁路部分呈条形或外周磁路部分呈环状或围绕中心磁路部分。 可以通过由磁性材料制成的外壳对外周磁路部分进行磁屏蔽。 振动部件和中央磁路部分可以预先组装为一体的结构。
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公开(公告)号：US4345558A
公开(公告)日：1982-08-24
申请号：US135929
申请日：1980-03-31
CPC分类号： G01L23/225 , F02P5/152 , G01L23/222 , G01L23/223 , Y02T10/46
摘要： The vibrations produced by the knocking in an engine and having frequencies in different frequency bands are detected by a vibration detector having a plurality of resonance frequencies. One of the detection outputs of the vibration detector is selected by a switching circuit or a filter circuit in accordance with the operating conditions of the engine. The ignition timing of the engine is corrected in accordance with the selected detection output.
摘要翻译： 通过具有多个共振频率的振动检测器来检测在发动机中爆震并且具有不同频带的频率产生的振动。 振动检测器的检测输出之一根据发动机的运行条件由开关电路或滤波器电路选择。 根据所选择的检测输出来校正发动机的点火正时。
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公开(公告)号：US4341189A
公开(公告)日：1982-07-27
申请号：US95307
申请日：1979-11-19
CPC分类号： G01L23/223
摘要： A knock detecting apparatus for an internal combustion engine includes a vibrating sheet branched into a plurality of vibrating reeds by forming a recess from one end of the vibrating sheet. The vibrating reeds have different lengths, shapes or thicknesses, and the other end of the vibrating sheet is fixed to a supporting member which is secured to the engine thereby to allow the vibrating reeds vibrate with different resonance characteristics in response to the vibration of the engine caused by the knocking. The vibration of the vibrating sheet is detected, for examle, as a change in reluctance by forming a magnetic path through the vibrating sheet and air gaps respectively located between the free ends of the vibrating reeds and a core.
摘要翻译： 用于内燃机的爆震检测装置包括通过从振动片的一端形成凹部而分支成多个振动片的振动片。 振动片具有不同的长度，形状或厚度，并且振动片的另一端固定到固定到发动机上的支撑构件，从而允许振动片响应于发动机的振动而以不同的共振特性振动 由敲门造成的 通过形成通过振动片的磁路和分别位于振动片的自由端和芯之间的气隙，振动片的振动例如被检测为磁阻的变化。
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