摘要:
Helicobacter pylori strains are indigenous to each human host and infect and colonize in the stomach of the host, and they are also known to be involved in diseases of the upper gastrointestinal tracts, among others. The present invention provides an economical method for inhibiting the proliferation and migration of Helicobacter pylori strains without being concerned about emergence of resistant bacteria or side effects due to drugs traditionally used to remove Helicobacter pylori strains, as well as a beverage or food utilizing such method, by selecting from among mineral-rich waters obtained from deep sea water, and by ingesting, a water or waters capable of inhibiting the proliferation and migration of Helicobacter pylori strains that are indigenous to the host and infecting and colonized in the stomach of the host.
摘要:
A motor-driven power assisted steering control apparatus includes a steering torque sensor 1, a motor 14 connected to a steering shaft via a clutch to exert an auxiliary steering force, and circuitry for controlling the motor in correspondence to an output from the steering torque sensing means. A torque neutral point detector 23 detects the neutral point of the steering torques, and first and second level detecting circuits 27, 29 detect when the motor current exceeds first and higher second levels, respectively. When the motor current exceeds the first level with the steering torque value at other than the neutral point, the clutch current is reduced to cause slippage, and when the motor current exceeds the second level with the steering torque value at other than the neutral point, the clutch current is interrupted to thereby stop the motor.
摘要:
An electric power steering device is disclosed which comprises a fail-safe relay. The circuitry for operating the relay comprises the following: the neutral region detector circuit which generates an output when the steering torque applied by the operator is in the neutral region; a motor current detector circuit for detecting the motor current; an AND gate having inputs coupled to the above two circuits; a self-hold circuit for holding the output of the AND gate; and a relay interrupting circuit for interrupting the relay in response to the output of the self-hold circuit. Thus, the fail-safe relay is interrupted to disconnect the battery from the motor and clutch when the motor is energized in spite of the fact that the steering torque by the operator of the vehicle is in the neutral region.
摘要:
An electric power steering apparatus for an automotive vehicle has an interrupter which cuts off the power to a drive motor when a dangerous situation is detected. In one form of the invention, the interrupter cuts off power to the drive motor when a ground fault sensor detects a ground fault of a motor driver and there is disagreement between a directional drive signal to the drive motor and the direction of torque applied to the steering wheel by the driver. In another form of the invention, the interrupter circuit cuts off power when the vehicle speed exceeds a prescribed level and the torque applied to the steering wheel exceeds a prescribed level for a certain length of time. In a third form of the invention, the interrupter cuts off power when the motor current exceeds a prescribed level and disagreement of directional signals is detected.
摘要:
An electric power steering device having a clutch 25 for connecting and disconnecting the motor 14 to and from the steering shaft is disclosed, the control circuit of which comprises, in addition to a microcomputer 3, an additional analog direction determiner circuit 17, and a first and a second logical circuit. The first logical circuit consists of a pair of AND gates 20A, 20B generates a final right or left direction signal supplied to the motor driver circuit. The second logical circuit consists of a pair of exclusive OR gates 21A, 21B and an AND gate 22 and supplies a deenergization signal to the clutch driver when the directions determined by the microcomputer and the analog direction determiner circuit disagree. The direction determiner circuit includes: a first comparator 31 which outputs a right direction signal when the output voltage of the torque sensor exceeds a first reference level; and a second comparator 32 which outputs a left direction signal when the output voltage of the torque sensor is below a second reference level which is lower than the first level. These reference voltages, selected at upper and lower ends of the non-sensitive region, may be obtained by a voltage divider.
摘要:
An electric motor assisted power steering device for an automobile is disclosed which comprises a dupicate torque direction determination system. The power steering device comprises, in addition to a microcomputer for determining the amount and direction of the auxiliary torque which is to be provided by the electric motor, an analog direction determiner circuit for determining the direction of the auxiliary torque. The torque sensor outputs a voltage which is substantially in linear relationship with the steering torque applied by the operator. The direction determiner circuit includes: a first comparator which outputs a right direction signal when this output voltage of the torque sensor exceeds a first reference level; and a second comparator which outputs a left direction signal when the output voltage of the torque sensor is below a second reference level which is lower than the first level. These reference voltages, selected at upper and lower ends of the non-sensitive region, may be obtained by a voltage divider. The microcomputer determines, on the basis of the output of the torque sensor, the direction of the auxiliary torque and outputs a corresponding right or left direction signal. A first AND gate performs an AND operation on the two right direction signals outputted from the microcomputer and the analog circuit; a second AND gate performs an AND operation on the two left direction signals. The motor driver circuit controls the direction of the current supplied to the electric motor in accordance with the output of the first and the second AND gate.