Vacuum break device

Details Vacuum break device Vacuum break device

F - Mech Eng,Light,Heat,Weapons

02

M

123/84

F02M 19/12 (2006.01) F02M 1/14 (2006.01) G05D 16/06 (2006.01)

Patent

CA 1072839

A-335 SCHMELZER ABSTRACT A double diaphragm, two stage vacuum break device in which the vacuum break plunger operates in a first stage in re- sponse to movement of one diaphragm assembly and in a second stage in response to movement of a pair of diaphragm assemblies. Metering valves are employed to cause delay of movement of the vacuum break devices in each of its ranges and delay can be eliminated from a selected one or both of the stages of move- ment by omitting a valve member. The stages of movement are under the control of separate sources of vacuum, a selected one of which may be under control of a temperature responsive valve. The range of movement of the plunger in its two stages of operation may be adjusted by mechanical means or a member responsive to temperature.

281583

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