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    • 1. 发明授权
    • Linear compressor
    • 线性压缩机
    • US06379125B1
    • 2002-04-30
    • US09677773
    • 2000-10-03
    • Naoto TojoShinichi MatsumuraYasuyuki KuwakiTakafumi NakayamaTaizo Takaoka
    • Naoto TojoShinichi MatsumuraYasuyuki KuwakiTakafumi NakayamaTaizo Takaoka
    • F04B3504
    • F04B35/045
    • A linear compressor according to the invention is for generating compressed gas and includes two pairs of pistons 608a, 608b and cylinders 607a and 607b coaxially provided and facing opposite to each other, a shaft 603 having pistons 608a and 608b at its ends, coil springs 605a and 605b coupled to shaft 603 for returning a piston departed from a neutral point to the neutral point, and a linear motor 613 for causing shaft 603 to axially move back and forth, thereby generating compressed gas alternately in two compression chambers 611a and 611b. Thus, the non-linear force of the compressed gas acting upon the pistons may be divided into two/reversed in phase. As a result, as compared to a conventional structure having only a single piston, the motor thrust may be reduced and linearized for the purpose of improving the efficiency. Furthermore, the size of the device may be reduced as well as the vibration/noises caused thereby may be reduced.
    • 根据本发明的线性压缩机用于产生压缩气体,并且包括两对同轴地设置并面对彼此的活塞608a,608b和气缸607a和607b,在其端部具有活塞608a和608b的轴603,螺旋弹簧605a 和连接到轴603的用于将从中性点离开的活塞返回到中性点的605b和用于使轴603前后轴向移动的线性电动机613,从而在两个压缩室611a和611b中交替地产生压缩气体。 作用在活塞上的压缩气体的非线性力可以分为两相/反相。 结果,与仅具有单个活塞的常规结构相比,为了提高效率,电动机推力可以减小和线性化。 此外,可以减小装置的尺寸,并且可能减少由此引起的振动/噪声。
    • 2. 发明授权
    • Linear compressor
    • 线性压缩机
    • US06231310B1
    • 2001-05-15
    • US09029636
    • 1998-03-06
    • Naoto TojoShinichi MatsumuraYasuyuki KuwakiTakafumi NakayamaTaizo Takaoka
    • Naoto TojoShinichi MatsumuraYasuyuki KuwakiTakafumi NakayamaTaizo Takaoka
    • F04B4906
    • F04B35/045
    • A linear compressor according to the invention is for generating compressed gas and includes two pairs of pistons 608a, 608b and cylinders 607a and 607b coaxially provided and facing opposite to each other, a shaft 603 having pistons 608a and 608b at its ends, coil springs 605a and 605b coupled to shaft 603 for returning a piston departed from a neutral point to the neutral point, and a linear motor 613 for causing shaft 603 to axially move back and forth, thereby generating compressed gas alternately in two compression chambers 611a and 611b. Thus, the non-linear force of the compressed gas acting upon the pistons may be divided into two/reversed in phase. As a result, as compared to a conventional structure having only a single piston, the motor thrust may be reduced and linearized for the purpose of improving the efficiency. Furthermore, the size of the device may be reduced as well as the vibration/noises caused thereby may be reduced.
    • 根据本发明的线性压缩机用于产生压缩气体,并且包括两对同轴地设置并面对彼此的活塞608a,608b和气缸607a和607b,在其端部具有活塞608a和608b的轴603,螺旋弹簧605a 和连接到轴603的用于将从中性点离开的活塞返回到中性点的605b和用于使轴603前后轴向移动的线性电动机613,从而在两个压缩室611a和611b中交替地产生压缩气体。 作用在活塞上的压缩气体的非线性力可以分为两相/反相。 结果,与仅具有单个活塞的常规结构相比,为了提高效率,电动机推力可以减小和线性化。 此外,可以减小装置的尺寸,并且可能减少由此引起的振动/噪声。
    • 4. 发明授权
    • Circuit arrangement for driving a reciprocating piston in a cylinder of
a linear compressor for generating compressed gas with a linear motor
    • 用于驱动线性压缩机的气缸中的往复活塞用于利用线性电动机产生压缩气体的电路装置
    • US5980211A
    • 1999-11-09
    • US840463
    • 1997-04-18
    • Naoto TojoShinichi MatsumuraTakafumi NakayamaDaizo Takaoka
    • Naoto TojoShinichi MatsumuraTakafumi NakayamaDaizo Takaoka
    • F04B35/04F04B49/06F04B49/00
    • F04B49/065F04B35/045
    • In a linear compressor driving apparatus, a position instructing portion (31) outputs a position instruction value Pref of a piston in accordance with an equation A*sin .omega.t. A position control portion (33) calculates a speed instruction value Vref by multiplying difference between position instruction value Pref and position present value Pnow by a constant Gv. A speed control portion (35) calculates a current instruction value Iref by multiplying a difference between speed instruction value Vref and speed present value Vnow by a constant Gi. A current control portion (37) controls a power source (3) so that current present value Inow becomes equal to the current instruction value Iref. Phase control portion (38) adjusts .omega. and Gi so as to eliminate phase difference between speed present value Vnow and current instruction value Iref. Since thrust of linear motor can be directly and appropriately controlled in accordance with the load condition, high efficiency is obtained.
    • 在线性压缩机驱动装置中,位置指示部(31)根据等式A *sinωt输出活塞的位置指示值Pref。 位置控制部分33通过将位置指令值Pref和位置存在值Pnow之间的差乘以常数Gv来计算速度指令值Vref。 速度控制部分35通过将速度指令值Vref与速度当前值Vnow之间的差乘以常数Gi来计算当前指令值Iref。 电流控制部分(37)控制电源(3),使得当前的当前值Inow变得等于当前指令值Iref。 相位控制部分(38)调整ω和Gi,以消除速度当前值Vnow和当前指令值Iref之间的相位差。 由于线性电动机的推力可以根据负载条件直接适当地控制,因此可以获得高效率。