PURPOSE:To provide both functions of normal solar energy utilization and snow removal for effective use of facility cost by connecting a heat exchanger to a solar heat exchanger unit installed on a roof, heat-exchanging primary fluid, that flows through the solar heat exchanger, with secondary fluid in the heat exchanging drum, and heating the secondary fluid by an auxiliary heating device when ne...

PURPOSE:To prevent overrun of engine in an automatic speed changer having overdrive stage, by constructing such that it is changed automatically to overdrive stage upon exceeding over predetermined level. CONSTITUTION:Upon closing of overdrive switch O/D, solenoid 71 of solenoid valve 70 is excited under predetermined speed condition on the basis of output signals from speed sensor S/V and kickdow...

Plasmapheresis apparatus is disclosed which comprises a unique combination of blood withdrawal, separation and return means, together with automatic cycle control means. This apparatus can withdraw whole blood from a donor, separate it into plasma and non-plasma components, and return the non-plasma component to the donor while the donor remains connected to the apparatus throughout the entire pro...

PURPOSE:To prevent a clutch from being quickly engaged even when the idling rotation will increase abruptly, by pre-storing the r.p.m. of the idling and employing said idling r.p.m. as the starting point of the clutch engagement. CONSTITUTION:Under the idling state the car speed signal 58 and the acceleration signal 59 are in H level thus to open a gate 54. Consequently an ignition pulse 45 for de...

A four-wheel drive system for a vehicle, comprising an engine having an output shaft rotatable about an axis in a lateral direction of the vehicle; a transmission gear unit including input and output shafts each having an axis of rotation parallel with the axis of rotation of the output shaft; a first wheel drive gear unit comprising power splitting gear means to split driving power from the trans...

(57) The invention relates to a method for cutting a plant material for the purpose of plant propagation, especially micropropagation, in which method the cutting is carried out by using a laser beam.

A liquid crystal display device comprises two supporting plates which are kept spaced apart and the facing surfaces of which comprise a pattern of line electrodes and column electrodes, respectively, which form a matrix of display cells. A mixture of a nematic liquid crystal with a cholesteric addition is present between the supporting plates. The mixture has a positive dielectric anisotropy and a...

An apparatus in which sheet material is decurled, for example as it leaves the fuser of an electrophotographic printing machine. In one embodiment, the apparatus includes a baffle type decurler (100) in which a sheet moving therethrough chooses one of three paths and baffles, depending on the direction and amount of curl. Spring loaded baffles (110, 111) in conjunction with idler rolls (112, 113) ...

A controller for winding an unvulcanized rubber sheet (4) suitable for the formation of tires, transmitting belts and the like comprises a cylindrical drum (1) rotated by a motor for winding the unvulcanized rubber sheet thereon, a conveyor (6) for feeding the unvulcanized rubber sheet on the drum, a data processor (48) for calculating a ratio of peripheral velocities of the drum and the feeding c...

A system for slipping an electromagnetic clutch when a motor vehicle is driven at a low speed while the choke valve is closed. The system is provided with a choke switch for producing a choke signal, and accelerator pedal position switch for producing a release signal, and a vehicle speed signal detector in order to reduce current passing in the clutch to cause the clutch to slip with the accelera...

A bed knife that acts together with a cutting blade moved past it, particularly for granulating plastic strands, consisting of individual aligned sections of the same type that are fastened to a supporting beam and whose knife edge consists of a cutter material. Each section consists essentially of ceramic cutter material and extends over the areas of feed and delivery of the material to be cut of...

Aqueous polyethylene dispersions, suitable for improving the surface characteristics of glass, are disclosed. The dispersions contain 40 to 100 percent by weight, based on the polyethylene, of a mixture of (a) amine oxides of the general formula I wherein R1 is alkyl with 7 to 17 carbon atoms; n is 2 or 3 and (b) the salt of an amine of the general formula R2N[(C2H4O)mH]2 II with a ...

A yarn winding method and resulting yarn package are disclosed, and wherein the yarn is wound onto a supporting tubular core by a traversing yarn guide and in accordance with either a random wind or a stepped precision wind. In each case, the winding is begun with the traversing speed having a predetermined initial mean value, and the mean value is then increased from the initial mean value to a p...

After winding of a thread into a package, the thread is severed and, in order to prevent whirling of the thread end around the package, the end portion is interlaced with the package surface during the braking phase of the package. Interlacing is performed by blowing pressure jet against the thread end and the package surface within an interlacing chamber defined by a pivotally mounted shoe from w...

A method of reducing the lateral force variation of a tire by grinding one of the shoulders of tire over a semicircle thereof and the other shoulder over a remaining semicircle in accordance with grinding amount and grinding position. In order to derive the grinding amount and grinding position, the lateral force is detected over one revolution of the tire to derive a measured waveform of the late...

A method is disclosed for the preparation of flowable aqueous solutions of betaines of the general formula wherein R1 is the alkyl portion of a fatty acid with 6 to 18 carbon atoms, R2, R3 are the same or different and represent alkyl groups with 1 to 4 carbon atoms x is 2 or 3 and y is 1, 2 or 3 by quaternization of the fatty acid amide R1CONH(CH2)xNR2R3 with omega -halogenalkylcarbo...

A control system for a vehicle engine coupled with an automatic transmission, which comprises a torque controller (B5) operative to vary torque produced by the vehicle engine (1), in accordance with a controlled variable, so as to suppress torque shock resulting from a speed change operation carried out to vary a gear ratio in a power transmitting gear arrangement (20) provided in the automatic tr...

Bei bekannten elektromagnetisch betätigbaren Ventil mit einem als Kern dienenden Anschlußstutzen, auf dem eine Magnetspule angeordnet ist, wird diese durch ein massives Ventilgehäuse aus ferromagnetischem Metall umgeben. Die Herstellung dieses Ventilgehäuses erfordert einen großen Arbeitsaufwand und hat unerwünscht große Außenmaße zur Folge. Die neue Ausgestaltung des Ventiles ermöglicht neben ein...

A period time required for a gear shift operation is measured from the time (T2) at which a prime motor (1) output speed (NE) starts decreasing to the (T3) time at which a psuedo speed ratio ( epsilon ) reaches a predetermined value. Based on the period of time measured, a line pressure is controlled during the period of time. Alternatively, a prime motor output torque is controlled during the per...