摘要:
A facility and a process for measuring the difference in diameter of train wheels attached to the same axle. A point-rail segment (2) on each rail of track is provided between main rail segments (1), said point-rail segments (2) being staggered with respect to one another in the direction of the track, so that when one of the attached wheels in said axle moves upon a segment (2) while its lateral creeping is prevented, its tendency to slip is translated into a movement of said segment (2) between said segments (1) which is proportional to the difference between said wheel diameters. Compensation means (6) are provided in order to maintain said segments (2) in position, as well as transducers (7) to transform the movement of each one of said segments (2) into an electrical signal which is fed to a data processing equipment (D,P).
摘要:
A process for manufacturing pre-cured parts of composite material with green-applied stiffeners, comprising the lamination of superimposed pre-impregnated composite material sheets to obtain a base part (1) and a second part (2) intended to be bonded with it; curing the base part (1); hot forming the laminate destined to form the second part (2); removing the second part (2) from the forming tool thereof and introducing it in angle pieces, tightening the angle pieces by sections and deposit it over the base part (1), intercalating a structural adhesive sheet between both of them; closing the assembly of both parts inside a vacuum bag and loading said bag in an autoclave, carrying out a curing cycle of the second part (2) under pressure and temperature, so that it is strongly adhered to the base part (1). The invention is applicable to the field of aeronautics.
摘要:
The method of the invention recovers CO 2 from an inlet cold feed stream containing a low concentration thereof, and includes the following steps. An inlet feed stream is passed through a heat exchanger, against a compressed flow of the inlet feed stream, to cool the compressed flow. The compressed flow is further cooled and compressed to a high pressure, fed to a distillation column and there converted into a vent gas including CO 2 and a high purity bottom liquid CO 2 . A first portion of the bottom liquid CO 2 is expanded to achieve a first cooled liquid CO 2 refrigerant flow, which is then vaporized against the vent gas to recover condensed CO 2 therefrom. The condensed CO 2 is then reintroduced into the distillation column. A second portion of the bottom liquid CO 2 is expanded to achieve a second cooled liquid CO 2 refrigerant flow, which is then used to subcool the CO 2 product output.
摘要:
The method of the invention recovers CO2 from an inlet cold feed stream containing a low concentration thereof, and includes the following steps. An inlet feed stream is passed through a heat exchanger, against a compressed flow of the inlet feed stream, to cool the compressed flow. The compressed flow is further cooled and compressed to a high pressure, fed to a distillation column and there converted into a vent gas including CO2 and a high purity bottom liquid CO2. A first portion of the bottom liquid CO2 is expanded to achieve a first cooled liquid CO2 refrigerant flow, which is then vaporized against the vent gas to recover condensed CO2 therefrom. The condensed CO2 is then reintroduced into the distillation column. A second portion of the bottom liquid CO2 is expanded to achieve a second cooled liquid CO2 refrigerant flow, which is then used to subcool the CO2 product output.
摘要:
A process for manufacturing pre-cured parts of composite material with green-applied stiffeners, comprising the lamination of superimposed pre-impregnated composite material sheets to obtain a base part (1) and a second part (2) intended to be bonded with it; curing the base part (1); hot forming the laminate destined to form the second part (2); removing the second part (2) from the forming tool thereof and introducing it in angle pieces, tightening the angle pieces by sections and deposit it over the base part (1), intercalating a structural adhesive sheet between both of them; closing the assembly of both parts inside a vacuum bag and loading said bag in an autoclave, carrying out a curing cycle of the second part (2) under pressure and temperature, so that it is strongly adhered to the base part (1). The invention is applicable to the field of aeronautics.
摘要:
A facility and a process for measuring the difference in diameter of train wheels attached to the same axle. A point-rail segment (2) on each rail of track is provided between main rail segments (1), said point-rail segments (2) being staggered with respect to one another in the direction of the track, so that when one of the attached wheels in said axle moves upon a segment (2) while its lateral creeping is prevented, its tendency to slip is translated into a movement of said segment (2) between said segments (1) which is proportional to the difference between said wheel diameters. Compensation means (6) are provided in order to maintain said segments (2) in position, as well as transducers (7) to transform the movement of each one of said segments (2) into an electrical signal which is fed to a data processing equipment (D,P).
摘要:
Procedure for producing calcium, sodium or magnesium fatty acid soaps or vegetable or animal soapstocks and their use as nutrients in monogastric animal feeds. This procedure makes it possible to add glycerol, glycerol plus emulsifier or emulsifier to soaps, and simplifying the process by making the addition in the same production process. The use of these soaps in monogastric animals, such as pigs and fowl, decreases feeding costs compared to the use of whole fats (triglycerides) commonly used in the nutrition of monogastrics. The soaps are obtained in powder or granular form which is an advantage as regards currently giving it in liquid form.
摘要:
The method of the invention recovers CO 2 from an inlet cold feed stream containing a low concentration thereof, and includes the following steps. An inlet feed stream is passed through a heat exchanger, against a compressed flow of the inlet feed stream, to cool the compressed flow. The compressed flow is further cooled and compressed to a high pressure, fed to a distillation column and there converted into a vent gas including CO 2 and a high purity bottom liquid CO 2 . A first portion of the bottom liquid CO 2 is expanded to achieve a first cooled liquid CO 2 refrigerant flow, which is then vaporized against the vent gas to recover condensed CO 2 therefrom. The condensed CO 2 is then reintroduced into the distillation column. A second portion of the bottom liquid CO 2 is expanded to achieve a second cooled liquid CO 2 refrigerant flow, which is then used to subcool the CO 2 product output.