Intermittent vacuum regulator with timing module
DCFirst Claim
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1. An intermittent vacuum regulator having a timing module in combination with a valve means for controlling the position of said valve means between one of two states, said module comprising:
- a base plate having a plurality of channels and apertures for conveying vacuum pressure in a first state or ambient state in a second state;
a diaphragm assembly coupled thereto;
a gear coupled to a lever arm that is in contact with said valve means;
said diaphragm assembly having a diaphragm, coupled to said gear, that is exposed to a vacuum source and ambient pressure alternately said diaphragm disposed within said diaphragm assembly to form a movable wall of said diaphragm assembly, said alternating exposure causing said gear to move in a first direction or a second direction, respectively, movement in said first direction defining an off time and movement in said second direction defining an on time and also defining a timing ratio.
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Abstract
A vacuum regulator having a timing module that provides intermittent vacuum and is modular in design permitting easy removal and replacement without having to disassemble the entire vacuum regulator.
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Citations
6 Claims
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1. An intermittent vacuum regulator having a timing module in combination with a valve means for controlling the position of said valve means between one of two states, said module comprising:
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a base plate having a plurality of channels and apertures for conveying vacuum pressure in a first state or ambient state in a second state; a diaphragm assembly coupled thereto; a gear coupled to a lever arm that is in contact with said valve means; said diaphragm assembly having a diaphragm, coupled to said gear, that is exposed to a vacuum source and ambient pressure alternately said diaphragm disposed within said diaphragm assembly to form a movable wall of said diaphragm assembly, said alternating exposure causing said gear to move in a first direction or a second direction, respectively, movement in said first direction defining an off time and movement in said second direction defining an on time and also defining a timing ratio. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification