Oxygen concentrator system

2:

• The oxygen concentrator system according to claim 1, wherein the PSA cycle has a cycle time of less than 15 seconds.

3:

• The oxygen concentrator system according to claim 1, wherein the PSA cycle has a cycle time of less than 10 seconds.

4:

• The oxygen concentrator system according to claim 1, wherein the PSA cycle has a cycle time of less than 5 seconds.

5:

• The oxygen concentrator system according to claim 1, wherein the PSA cycle has a cycle time equal to a minimum breath rate output of a pulse dose of the oxygen concentrator system.

6:

• The oxygen concentrator system according to claim 1, wherein an amount of the oxygen enriched gas produced by the PSA system is adjusted based on detected breathing rates of the user.

7:

• The oxygen concentrator system according to claim 1, wherein the sensor is a pressure sensor.

8:

• The oxygen concentrator system according to claim 1, wherein the oxygen concentrator further comprises a solenoid valve and oxygen accumulation tank.

9:

• The oxygen concentrator system according to claim 1, wherein the oxygen concentrator system calculates average breath rates over time and adjusts an amount of oxygen produced based on the calculated average breath rates over time.

10:

• The oxygen concentrator system according to claim 1, wherein the oxygen concentrator system predicts breathing rates and adjusts an amount of oxygen produced based on the predicted breathing rates.

11:

• The oxygen concentrator system according to claim 1, wherein the oxygen concentrator system anticipates user inhalation based on inhalation and/or exhalation pressure measurements.

12:

• The oxygen concentrator system according to claim 1, wherein the oxygen concentrator system comprises a proportional-integral-derivative (PID) controller to control pulse dose output from the oxygen concentrator system.

13:

• The oxygen concentrator system according to claim 1, wherein the oxygen concentrator system is responsive to changes in user's environment or changes in user's oxygen requirements.

14:

• The oxygen concentrator system according to claim 1, wherein the oxygen concentrator system further provides assisted ventilation.

15:

• The oxygen concentrator system according to claim 1, wherein the oxygen concentrator adjusts the PSA cycle based on changes in input air compressor flow rate, oxygen output valve actuation, PSA phase duration, oxygen output flow rate, oxygen volume, timing of oxygen gas delivery, and/or oxygen waveform in response to user breathing or user environment.

16:

• The oxygen concentrator system according to claim 1, wherein the molecular sieve bed comprises a dual-bed PSA system with alternating adsorption and desorption cycles to optimize oxygen purity and/or flow rate.

17:

• The oxygen concentrator system according to claim 1, further comprising an electronic control system configured to dynamically adjust the compressor speed based on user breathing patterns.

18:

• The oxygen concentrator system according to claim 17, wherein the electronic control system includes an algorithm that adapts oxygen delivery parameters based on sensor data and/or breathing cycle history.