Abstract: A centrifugal fan with a noise suppressing arrangement includes a fan, a motor for rotating the fan and a scroll casing for accommodating the fan, the scroll casing is formed of a first scroll casing member covering the fan and a second scroll casing member forming the bottom part of the scroll casing, the second scroll casing member being provided with at the center thereof a cylindrical housing for holding the electric motor, and further includes a porous sound absorbing member having elasticity sandwiched and secured between the first scroll casing member and the second scroll casing member whereby the combination of the porous sound absorbing member and an air layer formed between the porous sound absorbing member and the inner bottom wall of the second scroll casing member suppresses noises caused by rotation of the fan.

Abstract: A fluid control valve which regulates a flow rate of a liquid and, more particularly, which controls a fluid by axially moving a valve body fixed to a valve shaft. The fluid control valve comprises a device for absorbing vibrations of the valve shaft in a direction perpendicular to the axis thereof. More specifically, there is provided a device for exerting a pressing force to lightly press the valve shaft against the inner walls of bearings. Alternatively, the valve shaft may be held between a plurality of elastic plates fixed on the inner surface of a valve casing.

Abstract: An air flow rate measuring device for an internal combustion engine has a housing adapted to be inserted through a wall, the housing defining an air intake main passage of the engine. The housing also has an auxiliary air passage for a portion of the intake air and the housing supports a circuit board containing a hot wire and a temperature sensitive resistor, the hot wire being adapted to measure the air flow rate in the auxiliary passage. In a feature of the invention the housing has a metallic wall which is exposed to air flow in the main passage so that improved temperature reliability of the device may be achieved.

Abstract: A contaminant proof structure for a starter for an engine, with the starter including a sliding portion between a sliding member and a support member supporting the sliding member disposed in a housing so that the sliding member can project into the outside of the housing through an opening formed in a wall of the housing. An atmospheric gas reservoir disposed in the housing between the support member and the wall of the housing around the opening, and a communication passage bypasses the sliding portion and communicates the atmospheric gas reservoir with an external atmospheric gas through a space at an opposite side of the support member to the atmospheric gas reservoir side. The sliding member is dimensioned such that a gap between the opening and the sliding member inserted in the opening is small.

Abstract: A method of controlling the operation of an internal combustion engine is performed by the steps of detecting operational conditions of the engine, and determining the required amount of fuel to be fed to each of the cylinders based upon the number of engine revolutions and the amount of intake air received before the fuel injection valve is opened. The method detects the actual amount of intake air in the suction stroke of a cylinder of concern after the fuel injection valve is opened and the ignition timing is controlled in dependence upon the actual amount of intake air. An electronic control apparatus for performing said method is also disclosed.

Abstract: An electronic fuel injection device for an internal combustion engine, wherein operating conditions of the internal combustion engine is detected; a fuel injection value for the internal combustion engine is calculated based upon the detected operating conditions; the calculated fuel injection value is corrected by a fuel correction value during engine start which is stored in a memory; a fuel injection pulse for a fuel injector corresponding to the corrected fuel injection value during engine start is generated; a start time of the internal combustion engine started by the fuel injection determined by generated fuel injection pulse; a start time rank for the detected start time is assigned depending upon the length of the start time; a new fuel correction value is calculated by summing up variables of factors in Table 1 which influence the air/fuel ratio during engine start and are determined for every start time rank based upon the assigned start time rank; the fuel correction value used for the present eng

Abstract: A fuel injection system comprises a fuel injection valve of the fuel swirling type which is provided in an intake passage upstream of an intake valve that is arranged in an inlet port, the fuel injection valve being equipped with an adapting device for adapting the form of the fuel spray, which is injected through the fuel injection valve in a swirling manner, to the configuration of the inlet port as seen from the position where the fuel injection valve is mounted. With this structure, the fuel can be prevented from impinging on the upper and lower walls of the inlet port, thereby preventing the fuel injected into the combustion chamber forming a liquid film. This helps to enhance the combustion efficiency of the associated internal combustion engine and to reduce the HC content in the exhaust gas, thereby improving the starting performance at low temperature of the engine.

Abstract: A fuel injection control apparatus for an internal combustion engine has a controller, which includes a microprocessor for executing a predetermined processing in response to fundamental parameters representing the operational condition of the engine, produces a basic fuel injection pulse on the basis of a suction air quantity and a rotational speed of the engine and corrects the basic fuel injection pulse in accordance with the degree of acceleration or deceleration required, thereby to provide a fuel injection pulse applied to a fuel injector. The microprocessor is provided with membership functions varying with respect to acceleration or deceleration and determines a correction coefficient for correcting the basic fuel injection pulse on the basis of the degree of acceleration or deceleration required in accordance with a fuzzy reasoning using the membership functions.

Abstract: A sync generator which generates a reference horizontal synchronizing signal, a time difference detector which detects the time difference between the reference horizontal synchronizing signal and a horizontal synchronizing signal within a received television signal, and a variable delay circuit which responds to an output signal of the time difference detector to control the delay time and delay the received television signal are installed in a television receiver. When a plurality of horizontal synchronizing signals exist in one horizontal scanning period of the received television signal, the time difference between the horizontal synchronizing signal with the maximum amplitude and the reference horizontal synchronizing signal is detected, and the delay time of the received television signal is controlled in the variable delay circuit according to this time difference.

Abstract: The present invention is directed to an electric-car controller comprising a chopper for controlling the speed of a DC motor, a by-pass contactor for applying a DC source voltage directly to the DC motor, means for detecting that an acceleration command has reached a certain specified value or above, means for detecting that the acceleration of the car has dropped to a certain specified value or below, and means for turning on the by-pass contactor when the acceleration command has reached the certain specified value or above and the acceleration of the car has dropped to the certain specified value or below.

Abstract: Lower coils (5b) and upper coils (5a) are inserted to slots (12) of a cylindrical armature core (4). The upper coils are used as crossover lines (102a) at the side of commutator (10) and form commutator segments. The crossover lines are approximately deviated by a pole pitch (yf) at the commutator and inserted to other slots as lower coils. The lower coils are used again as crossover lines and deviated approximately by the pole pitch at the opposite side of the commutator so as to be inserted again to the slots as the lower coils. An insulating resin (11) are forced to push into inner peripheral sides of the armature core, and the crossover lines forming a squirrel cage type shape and extending cylindrically from the core.

Abstract: An inner cylindrical component is disposed on a bottom portion of an outer cylindrical component with a clearance which is formed between an outer diameter portion of the inner component and an inner diameter portion of the outer component. A guiding pin for positioning is inserted concentrically through the inner component and a tip end portion of the guiding pin engages with the bottom portion of the outer component. An outer peripheral portion of the positioned inner component is locally and vertically pressure-pressed. A portion of the inner component is extended in an outer diameter direction according to the pressure-pressing plastic deformation. The extended member of the inner component is joined together with the inner diameter portion of the outer component. The extended member of the inner component and the outer component are mutually combined together. After the pressing operation the guiding pin is withdrawn.

Abstract: A blowout temperature control apparatus of an air conditioner for automobiles comprises blowout temperature control means including blowout mode detecting means for detecting one of the outlet ports associated with blowout air temperature detecting means through which delivery of air is being stopped and generating a blowout stop signal, and blowout stop timed control means, responsive to the generation of the blowout stop signal, for controlling an air mixing door associated with the outlet port to temporarily change the amount of heat exchange of the heat exchanger to a reference level (Full Cool) and again change the heat exchange amount to a predetermined constant level complying with individual blowout modes and for maintaining the heat exchange amount at the constant level while the blowout stop signal is valid.

Abstract: A fuel injector device has a fuel swirling element disposed upstream of a valve seat and capable of imparting a swirling force to a fuel supplied thereto, a fuel injection nozzle orifice disposed downstream of the valve seat, and a fuel distributing adapter disposed downstream of the fuel injection nozzle orifice and capable of distributing the flow of the fuel injected by the fuel injection nozzle orifice in two directions. The adapter has an axial fuel passage having a fuel inlet of a diameter greater than that of the injection orifice and an outlet end of a substantially "8"-shape having a minimum diameter smaller than that of the inlet end. The adapter can be formed by preparing a blank having an axial fuel passage and then conducting a plastic work by a punch press on an end face of the blank so as to restrict the outlet end of the fuel passage.

Abstract: An electromagnetic fuel injection valve includes a fuel swirl element disposed upstream of a valve seat for giving a swirl force to fuel, a fuel injection port disposed downstream of the valve seat, fuel dividing device disposed downstream of the fuel injection port for dividing a fuel flow.

Abstract: A fuel injection valve (10) has a valve member (2) arranged to be controllably movable in an axial direction toward and away from a circular valve seat (4) so as to control fuel flow from a port (5) downstream from the valve seat. An axial fuel passage (7) extends from upstream of the valve seat (4) through a clearance between the seating portion and the seat (4) for producing a substantially non-swirling fuel flow from the port (5). A transverse fuel passage (8) is also provided and the transverse fuel passage extends transversely to the axial passage and communicates with the axial fuel passage at a location offset to a diameter of the valve seat for producing a swirling fuel flow from the port (5). A combination of swirling and non-swirling fuel flow is thus supplied by the port (5), for producing finer fuel droplets of improved distribution.

Abstract: A variable-displacement compressor includes a wobble member for driving a pistons, and a rotation member for wobbling the wobbling member, a first support portion for supporting a wobbling member in such a manner that the angle of wobbling of the wobbling member is variable, and a second support portion for supporting said rotation member in such a manner that the angle of tilt of said rotation member relative to a main shaft is variable. With this construction, unbalanced inertia forces can be reduced greatly, thereby providing the variable-displacement compressor which produces less vibrations and noises.

Abstract: An electromagnetic fuel injection valve in which an area of an annular gap formed by a ball valve and a valve seat when the ball valve is lifted is made smaller than cross sectional area of grooves provided on a fuel swirling element which gives fuel supplied a swirling force and further is made larger than a cross sectional area of a fuel injection port, whereby the fuel is injected with an excellent atomizing characteristic.

Abstract: The bobbin (21) of the heating resistor (1) is made by zirconia or glass fiber. On the surface of the bobbin, a platinum film (31) or a platimum wire (23) are formed. At both ends of the heating resistor, the heating resistor is supported by a pair of supporting conductors (25).

Abstract: A method of and an apparatus for controlling the revolution speed of an engine, suitable for use in an automobile having an automatic transmission. Flow rate of auxiliary intake air by-passing a throttle valve is controlled by an auxiliary air control valve, the opening period of which is incremented in response to a signal which represents the state of the automatic transmission shifted from neutral range to a power range so as to avoid any reduction in the engine speed or the engine stall. The valve open time is controlled as a function of the engine cooling water temperature.