PURPOSE:To provide the proper exhaust gas recirculation (EGR) according to the operation conditions of an automobile with a torque convertor by regulating the quantity of the recirculated exhaust gas depending on the slip rate of the torque convertor. CONSTITUTION:A feedback passage 13 on the way of which an EGR valve 14 is equipped connects intake and exhaust pipes 11, 12 of an engine. The valve ...

UN MONTAGE DE BOL CENTRIFUGE COMPORTE UNE BASE 12 ET UN OU PLUSIEURS LEVIERS ARTICULES 20 DISPOSES SUR CETTE BASE: CES LEVIERS PEUVENT ETRE DEPLACES DEPUIS UNE PREMIERE POSITION DE NON-CONTACT DANS UNE DEUXIEME POSITION DE CONTACT, DANS LAQUELLE, SOIT ILS SONT EN CONTACT POUR TENIR LE BOL, SOIT ILS DEPLACENT D'AUTRES ELEMENTS TELS QUE DES ELEMENTS D'ETANCHEITE 16 DISPOSES SUR LA BASE, SOIT ILS ...

A process for the production of a free flowing filled elastomer powder by combining an elastomer latex with a filler suspension is disclosed wherein the combining of elastomer latex and filler suspension takes place in the presence of about 0.1-15 parts by weight-calculated per 100 parts by weight of elastomer solid in the elastomer latex-of a high-molecular-weight amine with quaternary nitrogen f...

In order to improve the accuracy of borehole survey systems utilizing probes with inertial components including inclinometers, two ring laser gyro units are included to provide rotation information 56, 58 to the system. When the probe is moving in a borehole, inclinometer information 50, 52, 54 is used 78 to produce a synthetic rotation signal 80 to take the place of a third gyro and the earth's r...

Apparatus for measuring inertial specific force and angular rate of a moving body by means of a plurality of accelerometers mounted on mutually perpendicular axes, each accelerometer Ax, Ay, Az, being mounted for vibratory movement along its respective axis. The apparatus further includes a drive for vibrating each accelerometer to produce output signals and a signal processor for deriving from th...

A foamable phenolic resole composition is foamed and cured with an acid curing agent which is an anhydrous aryl sulfonic acid which has a pKa of less than about 2.0 and which reduces the compatibility of the resole with water, e.g. benzene, toluene or xylene sulfonic acids. The phenolic foam formed has cell walls which are substantially free of perforations. The preferred anhydrous aryl sulfonic a...

Photocurable coating composition containing a UV absorber for the protection against aging of PVC. Said composition comprises a photopromoter of the radicalar type, a multifunctional acrylic polyester prepolymer or a mixture of a multifunctional acrylic polyester prepolymer and a multifunctional acrylic polyurethane prepolymer, optionally a diacrylate monomer as reaction diluting agent, a UV absor...

DES CORPS MOULES, FABRIQUES A PARTIR DE POLYAMIDES THERMOPLASTIQUES A STRUCTURE PARTICULIERE, PRESENTENT UNE MEILLEURE RESISTANCE MECANIQUE ET UNE STABILITE DIMENSIONNELLE ELEVEE A CHAUD, QUAND ON EFFECTUE LE TRAITEMENT EN AJOUTANT UN AGENT QUI PROVOQUE DES JONCTIONS ENTRE LES CHAINES SOUS L'INFLUENCE DE L'EAU.

DANS CE BUT, ON AJOUTE AU POLYAMIDE SEC, QUI CONTIENT DE PREFERENCE UNE CONCEN...

Process for the preparation of vinyl chloride homo- and copolymers in powder form capable of yielding plastisols. A spray-drying operation is carried out on a vinyl chloride homo- or copolymer latex. The operation is carried out so that the processing temperature of the said latex to be subjected to the spray-drying operation is at least 40 DEG C and lower than the temperature of onset of deg...

DISPOSITIF DE SECURITE POUR LE TRANSPORT DE DOCUMENT DE VALEUR, NOTAMMENT DE PAPIER MONNAIE.

UN DISPOSITIF SELON L'INVENTION COMPORTE DES MOYENS D'INONDATION DES DOCUMENTS PAR UN LIQUIDE DESTRUCTEUR METTANT EN OEUVRE UN ACCUMULATEUR 10 DECLENCHE PAR LA LIBERATION DE GAZ SOUS PRESSION CONTENU DANS UNE BOUTEILLE 26.

UN PERCUTEUR MECANIQUE 25 OU PYROTECHNIQUE 125 EST PREVU POUR LIBERER...

PURPOSE:To reduce warpage and deformation by each laminating insulator layers, in which hollow ceramics particles are dispersed in the matrix of ceramics, and conductor wiring layers alternately by a plurality of layers and specifying the specific dielectric constant of the insulator layers and the bending strength at room temperature. CONSTITUTION:Insulators in which hollow sphere-shaped ceramics...

Composition intended to improve the impermeability and strength of clayey earths or of products manufactured with the said earths, comprising a particulate mixture of an alkali metal silicate and of a hydrophobic solid substance and process for employing it; application especially in the field of public works, for the stabilisation of clayey soils.;

COMPOSITION DESTINEE A AMELIORER L'ETANCHEITE...

A method of shotcreting in which cement and sand are mixed in a bin (1) and piped to a nozzle (5) by means of compressed air (4). A slurry of water and silica fume is added to the cement and sand in the nozzle (5) from a tank (9) via a water line (8).

L'INVENTION CONCERNE UN ENSEMBLE DE SERRURE ET DE CLE ELECTRONIQUE REMPLISSANT UNE FONCTION D'IDENTIFICATION DE CLE.

UNE CLE 26 COMPORTE AU MOINS UN ELEMENT MAGNETIQUE 36 QUI FORME UN CODE PREDETERMINE, UNE SERRURE 27 COMPORTE UN TROU DE SERRURE 27A DANS LEQUEL LA CLE DOIT ETRE INTRODUITE ET UN DISPOSITIF PRODUISANT UN CHAMP MAGNETIQUE 30 QUI CORRESPOND AU CODE PREDETERMINE QUAND LA CLE E...

PURPOSE:To improve the heat-dissipating efficiency of heat generated by a projecting high-temperature conductor mounted to a substrate and a recessed section formed to a cooling plate for a liquid cooling device, and to enhance reliability. CONSTITUTION:Semiconductor devices 2 such as a plurality of LSIs are mounted onto a mounting wiring substrate 1, sleeves 3 in approximately the same height as ...

PURPOSE:To increase mechanical strength and improve the effect of heat dissipation on mounting by connecting an external connecting terminal connected to a semiconductor chip in a conductible manner on the outside of a sealing body and enlarging shape and a surface area. CONSTITUTION:A source, an electrode and a gate electrode on a semiconductor chip 1 are each connected to first external connecti...

Carbonating agents are prepared by reacting bicarbonate ions with the amino moiety of glucosamine or galatosamine in aqueous solution to form glucoasamine bicarbonate or galactosamine bicarbonate. The bicarbonate is then isolated by drying. The resulting dry 2-amino sugar bicarbonate is stable at room temperature and can be used as a carbonating agent. It may be used with other constituents to for...

There are described novel C(29)-carbonyloxy-milbemycin derivatives of the formula I, their preparation and their use for combating pests, furthermore pesticides which contain at least one of these compounds as active substance. These compounds have the formula I in which X is -CH(OR1)-, -C(O)- or -C(=N-OH)-; R1 is hydrogen, a silyl group or an acyl group, or a sugar radical, R2 is met...

The invention relates to a knife of the cutter type, comprising a hollow handle which is provided with a seating for an interchangeable blade which is immobile relative to the handle and projects at least partially relative to the handle, a protective covering being provided for the blade which is mounted to be axially displaceable, relative to the blade, between two end positions, the protective ...

Carbonating agents are prepared by reacting bicarbonate ions with the amino moiety of glucosamine or galatosamine in aqueous solution to form glucoasamine bicarbonate or galactosamine bicarbonate. The bicarbonate is then isolated by drying. The resulting dry 2-amino sugar bicarbonate is stable at room temperature and can be used as a carbonating agent. It may be used with other constituents to for...