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US 5,460,174 AGranted
Oxygen supplying system having flow control throttle
OwnerHuang Changinventor
Life of this patent
Estimating the term…
Abstract
An oxygen supplying system includes a mask, a bottle for accommodating oxygen, an inlet pipe connecting the bottle to the inlet of the mask for supplying oxygen into the mask, and a throttle device disposed in the inlet pipe, the flowing of the oxygen is controlled to flow either intermittently or continuously by the throttle device, membranes can be disposed between the inlet pipe and an outlet pipe for sucking breathed air when when oxygen flows through the inlet pipe.
Claims3
An oxygen supplying system comprising:
- a mask including an inlet and an outlet;
- a bottle for accommodating oxygen;
- a first pipe connecting said bottle to said inlet of said mask for supplying oxygen into said mask;
- a throttle means disposed in said first pipe for controlling flowing of said oxygen;
- a second pipe connected to said outlet of said mask,
- two stubs connected between said first pipe and said second pipe,
- two membranes disposed in said stubs respectively, said membranes being sucked toward said first pipe when said oxygen flows through said first pipe such that air in said outlet of said mask is drawn out through said second pipe.
4 more elements
Dependencies are inferred from the claim text.