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US 9,803,762 B2Granted
Ball check valve apparatus
OwnerChung Hyo Kim, Sang Gon Kiminventors
Life of this patent
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Abstract
Provided is a ball check valve apparatus including: a first body into which wastewater is introduced; a second body coupled to the first body to be communicated with the first body and configured to discharge the wastewater introduced into the first body; and a valve member disposed in the first body such that the valve member is movable up and down in the first body and configured to close an opening/closing hole formed in the first body by a self-weight thereof and open the opening/closing hole by a pressure of wastewater introduced through the opening/closing hole.
Claims4
A ball check valve apparatus comprising:
- a first body into which wastewater is introduced, the first body comprising an upper part and a lower part;
- a second body coupled to the first body to communicated with the first body and configured to discharge the wastewater introduced into the first body;
- and
- a valve member entirely disposed in the first body such that the valve member is movable up and down in the first body and configured to close an opening/closing hole formed inside the first body by a self-weight thereof and to open the opening/closing hole by a pressure of wastewater introduced through the opening/closing hole,
- wherein the opening/closing hole is formed between the upper part and the lower part of the first body, and
- wherein the valve member comprises:
- a spherical opening/closing part seated at a periphery of the opening/closing hole;
- a connection part vertically extending from an upper side of the opening/closing part;
- and
- a guide ring disposed perpendicular to the connection part and having a pair of through-holes through which wastewater passes.
7 more elements
Dependencies are inferred from the claim text.