Abstract:
A liquid mixing valve with a single control handle and a relatively simple mechanical structure includes a handle which causes a guide body to rotate to a desired position within a spherical cavity so as to align cold and hot inlet ports communicating with the cavity with a mixing cavity defined in the guide body. Rectilinear movement of the handle regulates liquid flow rate, while rotation of the handle controls the ratio of hot to cold liquid in the mixture. An annular seal prevents liquid from escaping from the inlet ports when the valve is in an OFF position.
Abstract:
A liquid mixing valve includes a handle, a protective cover, a semi-circular cover, a spherical guide body, a water-stop washer, and a base defining a spherical cavity therein communicating with dual water outlet ports, a hot-water inlet port and a cold-water inlet port. By moving a handle, a spherical guide body within the spherical cavity is rotated in order to change the registry of a mixing cavity defined within the body with the cold-water and hot-water inlet ports and with the water outlet ports. Hence, the ratio between the portions of at least one of the water outlet ports and the portions of the cold-water and hot-water inlet ports communicating with the outlet port can be controlled to obtain the desired liquid temperature and volume flow rate. By turning the handle 180.degree., liquid flows from a different one of the outlet ports. In another embodiment, a guide body with dual mixing cavities is provided to permit direct adjustment and selection of output ports by simple longitudinal movement of the handle. In yet another embodiment, a cover of the base defines a rectangular aperture through which the adjustment handle extends. The handle is moved longitudinally to adjust water volume flow rate. Water temperature is adjusted by rotation of the handle, and the outlet port is selected by rotating the handle 180.degree.. The guide body may define dual mixing cavities to permit selection of fluid outlets by simple rectilinear movement of the adjustment handle.
Abstract:
A battery charging circuit includes a temperature switch actuated when the temperature of a battery reaches a preset value as a result of the battery being charged to saturation. The temperature control switch causes the circuit to switch to a small current, which maintains the charge status of the battery within a predetermined power source voltage variation range until the battery is removed or the power source cut off. A power source is included for supplying the charging current to the battery and also for driving a load. The charging circuit includes a return current diode for providing an automatic emergency power supply from the battery to the load when the power source is cut-off.
Abstract:
Circuit of multi-voltage control circuit of battery of multiple independent DC power consists of a diode compound switch contact for resisting sparkle and segmented current when multi-voltage switches add the non-sparkle switch for series of solid switch member which forms linear voltage adjustment of basic grade and voltage of low loss, or chopped wave voltage adjustment of low pulse. The advantages of the present invention are that it loses less thermal, is highly efficient, and has low pulse. It can provide fine quality graded voltage and a voltage adjustment between further grades.
Abstract:
A DC machine having a primary and a secondary for generating electromagnetic movement of the secondary. The primary incorporates a plurality of parallel conductive segments arranged side-by-side along the direction of secondary movement. As the secondary moves with respect to the primary, commutating strips mounted on the secondary commutate the conductive segments of the primary according to a sequence in which successive groups of the conductive segments are interconnected to form series or parallel excitation windings. The succession of excitation windings serves to induce continuous electromotive force between the secondary. The arrangement is especially suited for a linear motor having non-returning armature windings, but may be in rotary machines as well.
Abstract:
A circuit device connected between a driving circuit for an active control component such as an IGBT or MOSFET includes a capacitor which compensates for drops in the power supply voltage to the driving circuit and a voltage limiting cut-off device which cuts-off power to the driving circuit when the power supply voltage drop continues for a period long enough to cause a drop in voltage across the capacitor.
Abstract:
A double-acting distributed pressure vibration proof structure is comprised of three or more than three relatively iter-linked bodies, whereof each inter-linked body is coupled with the respective end joint hinges and the middle joint hinge to the V-shaped two-arm structure, thereof the vibration spring is installed respectively on each end joint hinge of the V-shaped two-arm structure, as well as between the middle joint hinge of the V-shaped two arm structure and the inter-linked body coupled with one end of one arm of the V-shape two-arm structure. An interacting three-joint hinges structure is embodied through each end joint hinge of the V-shaped two-arm structure and the hinge structure between the middle joint hinge and the joint hinge of each linked carrier to constitute a multi-vibration absorptive double-acting distributed pressure vibration proof structure. A limiting structure comprised of the two-staged dragging arm can be further installed as required between the middle joint hinge structure and the carrier coupled with one of the arm structure, in which the middle joint of the two-staged dragging arm can be bent freely. One end of the arm can be to coupled with the middle joint of the V-shaped two-arm structure, while the other end can be freely swung to couple with the carrier coupled with one arm or the two-arms structure, to constitute a double-acting distributed pressure vibration proof structure capable of limiting the arm swing angle.
Abstract:
A DC shunt or compound motor, in which an armature current detection device, provided to increase the current in the shunt field winding following an increase in armature load current, causes the motor to have characteristics similar to a series motor until a maximum setting value is reached, at which time the speed is held constant with increasing torque as is characteristic of a shunt-type motor. Below a minimum speed, the torque also increases as in a conventional shunt-type motor.
Abstract:
A combined power system includes a rotational power source such as an internal combustion engine, the output shaft of which is arranged to drive a front section load and which is also coupled to the input shaft of an electromagnetic coupling device to drive a rear section load. The electromagnetic coupling device is controlled by an operating device to generate motor driving functions, when an input current is applied or to generate variable speed coupling functions through an output current when the electromagnetic coupling device is employed as a generator. The engine can be operated at constant speed or at a partially adjustable speed to maximize engine efficiency and reduce pollution, with one part of the differential speed output power generated throughout the differential mixing drive device being used for driving the load while the remainder of the power is converted through the generator function of the electromagnetic coupling device to charge the battery and thereby increase energy efficiency.
Abstract:
The present invention is intended to provide an effective power unit with controlled output which can output graded output voltage in a wide range of required output voltages. The power unit also provides output voltage as a linear, chopped or PW modulated voltage. The power unit includes a plurality of substantially identical battery units which can be connected in series and/or in parallel with each other by respective switches, said switches (two-pole two-throw, one-pole one-throw, solid state) are controlled by a central control unit in respect to the required output voltage. Voltage inspection device and current inspection device provide a feedback to the central control unit to be compared with the predetermined value. Solid switch member provides linearization, chopping or PW modulation of the graded output voltage. The output voltage supplied by the power unit takes values of N.times.B, wherein N=1, 2, 3, . . . , and EB is the terminal output voltage of each battery unit. A plurality of diodes are connected to respective battery units and switches.