Abstract: Tire for heavy goods vehicle having a tread comprising a plurality of circumferential grooves delimiting intermediate ribs and two edge ribs each circumferential groove comprising a plurality of protuberances formed as a protrusion on at least one lateral wall delimiting this groove, wherein: facing each protuberance, a half-closed notch has an axial length La at most equal to 60% of the minimum width Ln of this rib, and a width Le at most equal to the width Lr of the groove oriented so as to make an average angle B at least equal to 10 degrees with the main direction of the protuberance, each protuberance closes the section of the groove in which it is formed over at least 35% and at most 75% of the surface of the said section, a functional clearance (J1, J2) is arranged between the protuberance and the walls delimiting the half-closed notch.

Abstract: Tire for heavy goods vehicle having a tread comprising a plurality of circumferential grooves delimiting intermediate ribs and two edge ribs each circumferential groove comprising a plurality of protuberances formed as a protrusion on at least one lateral wall delimiting this groove, wherein: facing each protuberance, a half-closed notch has an axial length La at most equal to 60% of the minimum width Ln of this rib, and a width Le at most equal to the width Lr of the groove oriented so as to make an average angle B at least equal to 10 degrees with the main direction of the protuberance, each protuberance closes the section of the groove in which it is formed over at least 35% and at most 75% of the surface of the said section, a functional clearance (J1, J2) is arranged between the protuberance and the walls delimiting the half-closed notch.

Abstract: A protective envelope for a handheld electronic device is shaped to cover at least 40% of a surface of the handheld device. The protective envelope includes at least a first housing having at least one first host processor or being suitable for receiving at least one first host processor, at least one main antenna, and an assembly for linking the host processor to the main antenna.

Abstract: The invention is directed to a method of providing pain relief to a patient by administering to the patient an effective amount of a compound of Formula (I), which is represented by as RC(O)—NH—(CH2)n—CH?CH2, wherein R represents C1-20 alkyl, C2-20 alkenyl or C2-20 alkynyl; and n is an integer from 0 to 3.

Abstract: A housing for a window regulator actuating device includes a receptacle having a wall with a tongue, a cover having a groove that cooperates with the tongue and a securing element, such as a screw, that secures the cover onto the receptacle. The housing is fixed onto a support wall of a vehicle door.

Abstract: A centripetal-flow airbleed system for a gas-turbine engine including an annular support affixed to first and second disks of a compressor of the engine and having a plurality of peripherally spaced orifices defined along the radius thereof, a plurality of airbleed tubes each mounted in a substantially radial manner in one of the orifices of the annular support, and a vibration reduction device for reducing vibrations of the airbleed tubes. The device includes a plurality of damping tubes each mounted in one of the orifices of the annular support. The radially inner end of the damping tube encloses a portion of the airbleed tube and delimits an annular space defined therebetween.

Abstract: The present invention provides a vapor-liquid (V-L) ejector with a removable nozzle (2) in which the internal structure has been modified and improved concerning the clearance that exists to enable said nozzle (2) to be engaged in the body (10) of said ejector (1). The invention also provides a nozzle (2) for such an ejector (1).

Abstract: A centripetal-flow airbleed system for a gas-turbine engine including an annular support affixed to first and second disks of a compressor of the engine and having a plurality of peripherally spaced orifices defined along the radius thereof, a plurality of airbleed tubes each mounted in a substantially radial manner in one of the orifices of the annular support, and a vibration reduction device for reducing vibrations of the airbleed tubes. The device includes a plurality of damping tubes each mounted in one of the orifices of the annular support. The radially inner end of the damping tube encloses a portion of the airbleed tube and delimits an annular space defined therebetween.

Abstract: A polysomnographic system is provided for use in conjunction with a communications network to simultaneously perform sleep studies on a plurality of patients. The polysomnographic system includes a first remote polysomnographic unit for collecting physiological data from a first patient and a second remote polysomnographic unit for collecting physiological data from a second patient. The first and second remote polysomnographic units communicate with a host unit which allows for remote observation and manipulation of sensors and therapeutic devices unit via a communication network. An affiliated pressure support device is controlled if obstructive sleep apnea is present.

Abstract: The present invention provides a vapor-liquid (V-L) ejector with a removable nozzle (2) in which the internal structure has been modified and improved concerning the clearance that exists to enable said nozzle (2) to be engaged in the body (10) of said ejector (1). The invention also provides a nozzle (2) for such an ejector (1).

Abstract: The housing is heated or cooled to adjust its diameter and, in particular, the play between the tips of the rotor blades and the housing. The apparatus consists of networks of tubes (1) covering complementary portions of the circumference of the housing and consisting of a pair of distributors (3) and parallel tubes (2) between said distributors, said tubes (2) being alternately connected to one or other of the distributors and provided with apertures to blow the gas onto the housing. The counter-flow circulation in the tubes (2) makes it possible to supply both gas that has been greatly heated by traveling a considerable distance through the tubes (2) and cooler gas that has traveled less far in other tubes (2) to any point on the housing, thereby balancing out the heat applied to every portion of the housing.

Abstract: An improved toughened blend of an aromatic polyester with from 5 to 20 phr of an impact modifier, which impact modifier is a blend of (a) 80 to 85 weight percent of a core/shell impact modifier having a polybutadiene core and at least one shell formed from methyl methacrylate and styrene; and (b) 15 to 20 weight percent of a linear copolymer which contains from 50 to 85 parts of units derived from ethylene, from 5 to 40 parts of units derived from (meth)acrylic esters, and from 2 to 10 parts of a copolymerizable monomer containing an epoxy group. The toughened blend exhibits higher impact strength than would be calculated for the blend using a linear relationship based on values of notched Izod for two blends, each containing only one of the impact modifiers at an equal use level.

Abstract: A labyrinth disk includes a main stiffener placed in the middle of the rim immediately below labyrinth elements. Attachment elements are preferably in the form of a bayonet attachment system using teeth fixed on the labyrinth disk crown and teeth fixed on the rotor. Attachment by bolting may optionally be used. The disk may be utilized with turbojets, on the cooling circuit, on the upstream side of the high pressure turbine.

Abstract: An improved toughened blend of an aromatic polyester with from 5 to 20 phr of an impact modifier, which impact modifier is a blend of (a) 80 to 85 weight percent of a core/shell impact modifier having a polybutadiene core and at least one shell formed from methyl methacrylate and styrene; and (b) 15 to 20 weight percent of a linear copolymer which contains from 50 to 85 parts of units derived from ethylene, from 5 to 40 parts of units derived from (meth)acrylic esters, and from 2 to 10 parts of a copolymerizable monomer containing an epoxy group. The toughened blend exhibits higher impact strength than would be calculated for the blend using a linear relationship based on values of notched Izod for two blends, each containing only one of the impact modifiers at an equal use level.

Abstract: A detector circuit for detecting a phase signal of a polyphase alternator for a battery charge regulator in a motor vehicle. The circuit includes differential signal amplitude discriminator means for discriminating between at least one pair of phase signals delivered by the alternator. The circuit is applicable to multifunction or to dual-purpose battery charge regulators in motor vehicles.

Abstract: A plurifunction device for regulating the excitation voltage of an alternator for charging the battery of an automobile vehicle, comprising battery and alternator phase voltage inputs, an excitation regulation output and a terminal connected to an indicator lamp. It also includes field coil power excitation control circuit, a battery voltage sensing circuit connected to the battery voltage input to supply a signal indicating that an alternator-battery connection is broken and an excitation regulation signal related to the peak and average values of the battery voltage. An alternator phase voltage amplitude sensing circuit supplies a first sensing signal related to a first threshold value authorizing the establishing of an excitation current with a frequency and cyclic ratio imposed by an alternator phase voltage signal applied to the alternator phase voltage input to initiate cutting in of the alternator.