History and origin of the term 'Slave Cylinder'
History and origin of the term 'Slave Cylinder'
(OP)
Is anyone familiar with the history and origin of the english term in hydraulics 'Slave Cylinder'? I got curious in part because the term used by Mercedes, at least was not analogous in other languages- translating roughly to 'Taker Cylinder' in German and 'Clutch Receiver' in French and Spanish.





RE: History and origin of the term 'Slave Cylinder'
RE: History and origin of the term 'Slave Cylinder'
https://de.wikipedia.org/wiki/Geberzylinder
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RE: History and origin of the term 'Slave Cylinder'
OK, so in German geber->giver, a giver/taker pair and I anticipate in french and spanish, a sender/receiver pair.
My question is less about the operation which I'm familiar with in automotive hydraulic clutch and brakes than the invention and first use of the master/slave terminology for this.
I'm wondering maybe one of these guys?:
https://en.wikipedia.org/wiki/Fred_Duesenberg
https://en.wikipedia.org/wiki/Malcolm_Loughead
https://en.wikipedia.org/wiki/Harry_Franklin_Vicke...
https://en.wikipedia.org/wiki/Joseph_Bramah
https://en.wikipedia.org/wiki/Henry_Maudslay
RE: History and origin of the term 'Slave Cylinder'
I have no knowledge on the subject of trains, but if we take this as a "pressurized working fluid acting on a chamber to do mechanical work, under the control of another chamber whose position dictates the position of the former cylinder" ...such an arrangement may have been possible on steam locomotives. A quick check of wikipedia tells me that this was not done on steam trains, at least as far as brakes, which used chains, vacuum, or air pressure instead. Still, it is possible for steam to be the working fluid in a two-cylinder arrangement and hence a master-slave cylinder system was possible, for whatever reason.
STF
RE: History and origin of the term 'Slave Cylinder'
RE: History and origin of the term 'Slave Cylinder'
RE: History and origin of the term 'Slave Cylinder'
RE: History and origin of the term 'Slave Cylinder'
old field guy
RE: History and origin of the term 'Slave Cylinder'
Heck people get confused when I call duplicate systems A and B. I keep getting the question 'which one is the primary, and which is secondary'.
Which just irritates me for some reason.
What about the term thrust bearing?
RE: History and origin of the term 'Slave Cylinder'
RE: History and origin of the term 'Slave Cylinder'
oldfieldguy (Electrical)24 May 17 15:15
"I am surprised that 'slave cylinder' and 'male-female' connectors are still allowed in an increasingly sensitive world."
several years ago, while assisting an US utility with a controls problem I was asked not to use the phase "master/slave".