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Hydraulic Press

Mechanical Engineering

A hydraulic press is a machine that uses a hydraulic cylinder to generate a compressive force, applying Pascal's principle that pressure exerted anywhere in an enclosed fluid is transmitted equally throughout it, so that a modest force on a small piston can produce a much larger force on a larger one. It was invented by the English engineer Joseph Bramah, who patented the device, sometimes called the Bramah press in his honor, in 1795, developing the idea while studying fluid dynamics in the course of his separate work on improved lock and toilet mechanisms.

Facts
Patent or First-Use DateSourced to the subject's own account
1795-01-01 1
YearSourced to the subject's own account
1795 1
SignificanceSourced to the subject's own account
The hydraulic press applies Pascal's principle, using a small force on a small piston to generate a much larger force on a larger piston through an enclosed, constant-pressure fluid. 1
Connections

In Field

Source Hydraulic Press (Wikipedia)

Invented By

Source Hydraulic Press (Wikipedia)
Sources
1. Hydraulic Press (Wikipedia)
Wikipedia
  • Lead section
    It uses the hydraulic equivalent of a mechanical lever, and was also known as a Bramah press after the inventor, Joseph Bramah.
  • Main Principle section
    The hydraulic press depends on Pascal's principle. The pressure throughout a closed system is constant.
  • In Field: Mechanical Engineering, Categories
    Hydraulic machinery
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Frequently Asked Questions

Why is the hydraulic press also called the Bramah press?

It is named after its inventor Joseph Bramah.

It is named after its inventor, the English engineer Joseph Bramah, who patented the device in 1795. He developed the idea while studying fluid dynamics during his separate work on improved lock and toilet mechanisms. The press works on Pascal's principle, in which pressure throughout a closed fluid system is constant, so a small force on a small piston yields a much larger force on a larger one.
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