JPWO2020247310A5

JPWO2020247310A5 -

Info

Publication number: JPWO2020247310A5
Application number: JP2021572579A
Authority: JP
Publication date: 2023-06-02

Claims

A product manifold for use with a portable oxygen concentrator, comprising:
a first product port, a second product port, an accumulator port, and an output port;
a flow path operably coupling each of the first product port, the second product port, the accumulator port, and the output port;
a plurality of control ports, each of said control ports fluidically coupling said flow path;
a first orifice disposed in a first portion of the flow path;
a second orifice located in a second portion of the flow path;
a third orifice located in a third portion of the flow path;
The product manifold, wherein each of said first orifice, said second orifice, and said third orifice is formed by an electroforming process and has a thickness of between about 0.0025 inch and about 0.004 inch.

Claim 1, wherein each of said first orifice, said second orifice, and said third orifice is adapted to provide a bi-directional flow tolerance of approximately +/−2.5%. Product manifold as described.

3. The product manifold of claim 1 or 2, wherein the first orifice is an oxygen storage device (OCD) orifice, the second orifice is a purge orifice, and the third orifice is an equalization orifice.

4. The claim further comprising a plurality of solenoid valve assemblies, said product manifold comprising a body, each of said solenoid valve assemblies being secured to said body of said product manifold adjacent a corresponding one of said control ports. 4. A product manifold according to any one of clauses 1-3.

said first portion of said flow path comprises a first orifice bore, said second portion of said flow path comprises a second orifice bore, and said third portion of said flow path comprises a third orifice 5. The product manifold of any one of claims 1-4, comprising a bore.

further comprising a gasket track and a gasket, said gasket track coupled to said first orifice bore, said second orifice bore, and said third orifice bore, said gasket connecting said gasket track and said first orifice bore; 6. The product manifold of claim 5 disposed within an orifice bore, said second orifice bore, and said third orifice bore.

The gasket track has opposing walls, the first orifice bore is coupled to the gasket track through a first opening, and the second orifice bore is a second opening and a third opening. and the third orifice bore is coupled to the gasket track through a fourth opening, a fifth opening, and a sixth opening, and the gasket is coupled to the gasket track through the 7. The product of claim 6 adapted to sealingly engage said opposing walls of said gasket track adjacent first, second, third, fourth, fifth and sixth openings. manifold.

The gasket includes a first radial extension extending through the first opening and sealing the opposing wall adjacent the first opening. 8. The product manifold of claim 7 , which engages.

The product manifold comprises a first product body portion and a second product body portion, the gasket is disposed between the first product body portion and the second product body portion, and the first radius The directional extension comprises a recess, said recess adapted to allow said gasket to fill said gasket track when said first product body portion is coupled to said second product body portion. 9. The product manifold of claim 8 , wherein:

The first portion includes a first orifice bore having a first sidewall and further includes an annular seal, the annular seal disposed within the first orifice bore, the first orifice and the first orifice. 10. A product manifold according to any one of claims 1 to 9 in sealing engagement with one side wall.

Claims 1-10, wherein the first portion comprises a first orifice bore having a first sidewall, wherein a gap is defined between the periphery of the first orifice and the first sidewall. A product manifold according to any one of Claims 1 to 3.

A portable oxygen concentrator comprising:
a compressor;
a supply/waste manifold inlet port coupled to the compressor;
A pair of three-way valves, each three-way valve having a first port, a second port and a third port, the first port being coupled to the compressor. a supply/waste manifold comprising: a three-way valve; and an exhaust port, wherein the second port of each of the three-way valves is fluidly coupled to the exhaust port;
a first sieve bed and a second sieve bed, each of said sieve beds being coupled to said third port of one of said three-way valves; a sieve bed;
a product manifold,
a first product port and a second product port, wherein the first product port is coupled to the first sieve bed and the second product port is coupled to the second sieve bed; one product port and a second product port;
accumulator port,
output port,
a flow path fluidly coupling said first product port, said second product port, said accumulator port and said output port together;
a first control port, a second control port, and a third control port fluidly coupling the flow paths;
a first solenoid valve assembly, a second solenoid valve assembly and a third solenoid valve assembly, each of said first, second and third solenoid valve assemblies A first solenoid valve assembly, a second solenoid valve assembly, and a third solenoid valve assembly secured adjacent to corresponding ones of the third control ports, and the first orifice, the second an orifice and a third orifice, wherein said first orifice, said second orifice and said third orifice correspond to a first portion, a second portion or a third portion of said flow path; wherein each of said first orifice, said second orifice and said third orifice is formed by an electroforming process. A portable oxygen concentrator comprising a product manifold comprising an orifice of .

13. The portable oxygen concentrator of claim 12, wherein said first orifice has a thickness of about 0.0025 inch to about 0.004 inch.

14. The portable oxygen concentrator of claims 12 or 13, wherein the first orifice is adapted to provide a bi-directional flow tolerance of approximately +/-2.5%.

The first orifice comprises a first flow hole, a first surface, and a second surface opposite the first surface, and a first edge defines the first flow hole and the first surface. a surface, a second edge defined between the first flow hole and the second surface, the first edge substantially coaxial with the second edge; 15. A portable oxygen concentrator according to any one of claims 12-14, which are essentially the same.

said first portion of said flow passage comprising a first orifice bore having a first sidewall, said second portion of said flow passage comprising a second orifice bore having a second sidewall, said flow said third portion of passageway comprising a third orifice bore having a third sidewall; further comprising a first annular seal, a second annular seal and a third annular seal; , and a third annular seal disposed in a corresponding one of said first, second or third orifice bores and in contact with a corresponding one of said first, second or third orifices. , a corresponding one of said first, second or third side walls of said orifice bore.

further comprising a gasket, said gasket comprising said first annular seal, said second annular seal, and said third annular seal; said first product manifold comprising a gasket track; said gasket track comprising: 17. The portable oxygen concentrator of claim 16 , wherein the gasket is positioned within the gasket track coupled to the first, second orifice, and third orifice bores.

The gasket track has opposing walls, the first orifice bore is coupled to the gasket track through a first opening, and the second orifice bore is a second opening and a third opening. and the third orifice bore is coupled to the gasket track through a fourth opening, a fifth opening, and a sixth opening, and the gasket is coupled to the gasket track through the 18. The portable of claim 17 adapted to sealingly engage said opposing walls of said gasket track adjacent first, second, third, fourth, fifth and sixth openings. type oxygen concentrator.

An orifice for use with a product manifold of a portable oxygen concentrator comprising:
A body having a thickness of about 0.0025 inch to about 0.004 inch and formed by an electroforming process, comprising:
a first surface and a second surface opposite said first surface;
flow holes extending between the first surface and the second surface;
a first edge defined between the flow hole and the first surface; and a second edge defined between the flow hole and the second surface, wherein a body comprising a second edge wherein one edge is substantially the same as said second edge;
An orifice wherein said flow holes are adapted to provide a bi-directional flow tolerance of approximately +/-2.5%.

20. The orifice of claim 19, wherein the orifice is one of an oxygen storage device (OCD) orifice, a purge orifice, or an equalization orifice.

a first product port, a second product port, an accumulator port, an output port and a flow path, wherein said first product port, said second product port, said accumulator port and said output port are fluidly connected to each other; 1. A method of manufacturing a product manifold for use with a portable oxygen concentrator comprising a flow path that couples physically, comprising:
providing a first product body portion comprising a first orifice bore, a second orifice bore and a third orifice bore, each orifice bore being formed by a side wall of said first product body portion; and defining a portion of the flow path;
disposing a first orifice, a second orifice, and a third orifice in a corresponding one of the first orifice bore, the second orifice bore, or the third orifice bore;
disposing a first annular seal, a second annular seal and a third annular seal in a corresponding one of said first, second or third orifice bores to sealingly engaging a corresponding one of the third orifices with a sidewall of the corresponding orifice bore;
coupling a second product body portion to the first product body portion.

22. The method of claim 21, wherein said first orifice, said second orifice and said third orifice are formed by an electroforming process.

23. The method of claim 21 or 22, wherein the first orifice has a thickness of about 0.0025 inch to about 0.004 inch.