Gear Pump Calculator - Oil Pressure Pump - Oil Pump Engine
Gear Pump Calculator
- an expert at calculation (or at operating calculating machines)
- A calculator is a small (often pocket-sized), usually inexpensive electronic device used to perform the basic operations of arithmetic. Modern calculators are more portable than most computers, though most PDAs are comparable in size to handheld calculators.
- Something used for making mathematical calculations, in particular a small electronic device with a keyboard and a visual display
- a small machine that is used for mathematical calculations
- Gear Pumps are used for some engine oil pumps and hydraulic pumps. The concept involves generating oil flow by two gears meshing together in a relatively tight enclosure. The size of the gears and the tightness of the enclosure will determine what the pump is capable of generating.
- A small pump consisting of a casing enclosing a driven gear wheel in mesh with a second gear wheel, the fluid being carried from the suction to the delivery side of the pump in the spaces between the teeth.
- A gear pump uses the meshing of gears to pump fluid by displacement. They are one of the most common types of pumps for hydraulic fluid power applications. Gear pumps are also widely used in chemical installations to pump fluid with a certain viscosity.
musée des arts et métiers 5
The Musee des Arts et Metiers, (Museum of Arts and Crafts) is a museum in Paris that houses the collection of the Conservatoire National des Arts et Metiers (National Conservatory of Arts and Industry), which was founded in 1794 as a depository for the preservation of scientific instruments and inventions.
In 1794, Abbot Henri Gregoire founded the Conservatoire des Arts et Metiers, designed to be a collection of machines, tools and models created in the fields of technology and science. The Conservatory, established in 1802 and located in the old priory of Saint Martin des Champs, was also an institution of education and the fore-runner of the Musee des Arts et Metiers.
Since its foundation, the museum has been housed in the previosly deserted priory of Saint-Martin-des-Champs in the rue Reaumur in the 3rd arrondissement of Paris.
The Benedictine priory and church of Saint Martin des Champs was built in the mid-11th century, the first Gothic structure to be built in Paris. However, this was destroyed and replaced with the church that stands there now, built in the 13th century.
Improvements on it continued through the years; Henri III constructed the large portal on rue St. Martin; in 1626, Mansart built the high altar in the apse; a cloister was completed in 1720.
During the French Revolution the priory was pillaged and the monks executed, leaving it deserted until the Conservatory occupied it in 1802.
During renovations in 1993, archaeological discoveries confirmed the existence of a Merovingian necropolis located beneath the nave of the medieval church, dating from the 6th-7th centuries. Over 100 plaster coffins were found.
The Musee des Arts et Metiers is organized into 7 departments: Scientific Instruments; Materials; Construction; Communication; Energy; Mechanics; Transportation. Each department is displayed chronologically.
The museum begins with Scientific Instruments, exhibiting tools of astronomy used for determining the place of the sun in the zodiac, weights and measures such as Charlemagne's Pile, the royal standard of weight at the end of the 15th century and Pascal's calculators, designed by Blaise Pascal when he was 19 years old.
The equipment of Antoine Lavoisier's laboratory from the mid-1700s is exhibited. Lavoisier is regarded as the father of modern chemistry.
The equipment used by Foucault for determining the speed of light is displayed, which he measured while working at the Observatory of Paris in 1862. Numerous other exhibits chronicle scientific development up to the 1990s and robotic technology.
In the Materials department we discover the creation of glass, brick and fabrics, including the development of looms and the factories which produce the vast quantities of the materials used today.
In the Construction section of the museum one can see the model used in 1690 for constructing Jules Mansart's Eglise du Dome at the Hotel les Invalides.
Also exhibited is the model for constructing the dome of what was the Wheat Market of 1809, now the Bourse, the building for the Paris stock market, located adjacent to the Garden of Les Halles. This dome, built in 1763, was one of the first metal structures to be constructed in France.
In the Communication department are exhibited printing presses, typewriters, telephone equipment from the early 1900s, telegraph systems from 1860, radio development from 1924 onward, the history of cameras, phonographs, recording instruments for producing sound for cinema and satellites, with a model of the Telstar which enabled the first live trans-Atlantic television transmission in 1962 from New York to England.
The Energy department displays the history of the machinery used for harnessing every form of energy including steam, wind, electrical, atomic and solar.
The Mechanics department of the Musee des Arts et Metiers is impressive with its collection of the development of mechanical machinery. Here are several "hands-on" exhibits where one can operate pulleys and pumps and gears.
The Transportation department shows everything from the bicycle to rocket ships. This is the final department visited in the museum and an impressive section of it is located in the chapel of the old church.
Here we find the first "horseless carriages", steam powered trains, propeller driven racing cars, modern cars cut in half and complete airplanes which are suspended overhead, dramatically contrasting with the ceiling of this medieval church.
Also found in this part of the museum is an in-motion Foucault Pendulum. This 156 year old demonstration continues to fascinate and prove the measurable reality of Earth's rotation. The actual orb used by Foucault on February 3, 1851, at the Paris Observatory, his first public demonstration of his pendulum, is exhibited here and protected within a glass case.
The museum, which underwent major renovation in 1990, includes an additional building adjacent to the abbey, with larger objects
musée des arts et métiers 1
The Musee des Arts et Metiers, (Museum of Arts and Crafts) is a museum in Paris that houses the collection of the Conservatoire National des Arts et Metiers (National Conservatory of Arts and Industry), which was founded in 1794 as a depository for the preservation of scientific instruments and inventions.
In 1794, Abbot Henri Gregoire founded the Conservatoire des Arts et Metiers, designed to be a collection of machines, tools and models created in the fields of technology and science. The Conservatory, established in 1802 and located in the old priory of Saint Martin des Champs, was also an institution of education and the fore-runner of the Musee des Arts et Metiers.
Since its foundation, the museum has been housed in the previously deserted priory of Saint-Martin-des-Champs in the rue Reaumur in the 3rd arrondissement of Paris.
The Benedictine priory and church of Saint Martin des Champs was built in the mid-11th century, the first Gothic structure to be built in Paris. However, this was destroyed and replaced with the church that stands there now, built in the 13th century.
Improvements on it continued through the years; Henri III constructed the large portal on rue St. Martin; in 1626, Mansart built the high altar in the apse; a cloister was completed in 1720.
During the French Revolution the priory was pillaged and the monks executed, leaving it deserted until the Conservatory occupied it in 1802.
During renovations in 1993, archaeological discoveries confirmed the existence of a Merovingian necropolis located beneath the nave of the medieval church, dating from the 6th-7th centuries. Over 100 plaster coffins were found.
The Musee des Arts et Metiers is organized into 7 departments: Scientific Instruments; Materials; Construction; Communication; Energy; Mechanics; Transportation. Each department is displayed chronologically.
The museum begins with Scientific Instruments, exhibiting tools of astronomy used for determining the place of the sun in the zodiac, weights and measures such as Charlemagne's Pile, the royal standard of weight at the end of the 15th century and Pascal's calculators, designed by Blaise Pascal when he was 19 years old.
The equipment of Antoine Lavoisier's laboratory from the mid-1700s is exhibited. Lavoisier is regarded as the father of modern chemistry.
The equipment used by Foucault for determining the speed of light is displayed, which he measured while working at the Observatory of Paris in 1862. Numerous other exhibits chronicle scientific development up to the 1990s and robotic technology.
In the Materials department we discover the creation of glass, brick and fabrics, including the development of looms and the factories which produce the vast quantities of the materials used today.
In the Construction section of the museum one can see the model used in 1690 for constructing Jules Mansart's Eglise du Dome at the Hotel les Invalides.
Also exhibited is the model for constructing the dome of what was the Wheat Market of 1809, now the Bourse, the building for the Paris stock market, located adjacent to the Garden of Les Halles. This dome, built in 1763, was one of the first metal structures to be constructed in France.
In the Communication department are exhibited printing presses, typewriters, telephone equipment from the early 1900s, telegraph systems from 1860, radio development from 1924 onward, the history of cameras, phonographs, recording instruments for producing sound for cinema and satellites, with a model of the Telstar which enabled the first live trans-Atlantic television transmission in 1962 from New York to England.
The Energy department displays the history of the machinery used for harnessing every form of energy including steam, wind, electrical, atomic and solar.
The Mechanics department of the Musee des Arts et Metiers is impressive with its collection of the development of mechanical machinery. Here are several "hands-on" exhibits where one can operate pulleys and pumps and gears.
The Transportation department shows everything from the bicycle to rocket ships. This is the final department visited in the museum and an impressive section of it is located in the chapel of the old church.
Here we find the first "horseless carriages", steam powered trains, propeller driven racing cars, modern cars cut in half and complete airplanes which are suspended overhead, dramatically contrasting with the ceiling of this medieval church.
Also found in this part of the museum is an in-motion Foucault Pendulum. This 156 year old demonstration continues to fascinate and prove the measurable reality of Earth's rotation. The actual orb used by Foucault on February 3, 1851, at the Paris Observatory, his first public demonstration of his pendulum, is exhibited here and protected within a glass case.
The museum, which underwent major renovation in 1990, includes an additional building adjacent to the abbey, with larger objects
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