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Schematic view of the Saxomat automatic clutch control valves unit:

1 - solenoid;
2 - solenoid valve;
3 - vacuum check valve;
4 - pressure reducing valve;
5 - vacuum regulator valve;
A - vacuum chamber;
B - intermediate chamber;
C - atmosphere chamber
.

The solenoid valve is shown activated, the clutch is fully depressed.

Saxomat was a type of automatic clutch available as an option on Fiat 1800, Lancia Flaminia, Saab 93, Borgward Isabella, Goliath/Hansa 1100, Auto Union 1000, Ford Taunus, Trabant, other than some models from BMW, Opel, Steyr-Puch, NSU, Glas, Wartburg and Volkswagen. Opel sold it as Olymat; Trabant and Wartburg named the system Hycomat. The Hydrak, used in some Mercedes-Benz vehicles between 1957 and 1961, was a similar system with a hydrodynamic torque converter in place of the Saxomat's centrifugal clutch, this H.T.C. system was standard on NSU Ro 80 and was optional on the Porsche 911 (Sportomatic). The system also reappeared in the 1990s as Sensonic.

Cars with a Saxomat clutch did not have a clutch pedal. The Saxomat consisted of two independent systems, the centrifugal clutch, and the servo clutch. The centrifugal clutch was engaged above certain engine rpms by centrifugal force, acting on spinning weights inside the clutch, similar to a centrifugal governor.

The servo clutch used an electric switch that supplied manifold vacuum via an actuator valve to a reservoir that disengaged the cluch. The clutch is disengaged automatically whenever the gear shift lever was touched.

See also[edit]

External links[edit]



Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/Saxomat — Please support Wikipedia.
This page uses Creative Commons Licensed content from Wikipedia. A portion of the proceeds from advertising on Digplanet goes to supporting Wikipedia.

46 news items

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Laikus válaszként elfogadhatnánk ezt is, mert szegről-végről mindhez köze van, de a helyzet ennél jóval bonyolultabb. Jobb, ha megelégszünk annyival, hogy ez egy Auto Union 1000 S Saxomat 1962-ből, amely könnyedén megtréfálhat egy modern sofőrt.

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AutoWeek
Thu, 16 Jul 2009 04:03:26 -0700

1957--The Auto Union GmbH is the first German car manufacturer to fit its cars with the “Saxomat” automatic clutch. The clutch consists of the centrifugal and servo clutch and the two systems disengage each other based on rpms. 1959--The DKW “Junior” ...

Times LIVE

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Tue, 08 Feb 2011 10:36:46 -0800

Years ago already Auto Union had their Saxomat, which used a centrifugal clutch in conjunction with a vacuum-operated servo clutch. When Toyota tried their hand at a clutchless transmission, they took advantage of the opportunities offered by ...
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