(just a thought)One solenoid valve for idle and 7-10 small-micro solenoid valve calibrated for accelerating.?
Hey man good to hear from you.
I´m thinking to reduce the components at maximum
i sleep over this idea and came up with this
the cell will need a minimum pressure to work with since the gas need a pressure difference to flow it seems reasonable to have at least 2 psi of pressure to start with
i believe to get the gas ionized into the engine the main idea will be to deliver the gas thru a silicon tubing directly or very close to the combustion chamber... all the parts must be cover with plastic coating or corona dope.. after all we dont want to loose the ionization and or it to explode before time
to deliver the gas with safe i thing the gas injector must be connected to the air line like with a tube inside the other! this way the hydrogen wont be released continuously and therefore in case of a explosion it wont be able to reach the cell
meyer talk about this quenching process mixing non combustible and air gases with the hydrogen prior to transportation thru the line.. he had a heat sink for the exhaust gases if i remember well
so basically the positive air flow suction by the engine will intercalate with the hydrogen within the line making it safer to transport up to the combustion chamber
the car rpm is control by the amount of power each stroke (normally the buterfly control the air intake when you press the pedal it open allowing air and fuel to go inside)
so it generate a clock signal that is variable in frequency from something around 10 up to 100 hz so it gives us the region of 5ms of injection time as a maximum and perhaps 1ms as a minimum for idling therefor all it takes is to get a acceleration control is to have a monostable timer 555 connected with a light variable resistor assembly on the pedal (this work as a potentiometer basically is an arrangement of leds and light sensors connected in series such as to have something that comes out from inside when you accelerate that allow the sensos to be illuminated as it goes out) to control the injector timing.. the injector timing vs pressure will determine the acceleration
so if im going to set the pressure to a predetermined value and leave the gate to a maximum duty cycle on the pll side to simply have a stable pressure
when i press the pedal the timing will change but only for the injector
this signal of the injector also will preceed the electron extraction signal! i came to this conclusion because if we want to ionize the gases it must be done right close to the injection port because it takes real small time for it to lose its ionization...
this may be one of the main reason why meyer chose to inject on the spark plug
the injector timing circuit can get more elaborated if we add the pressure sensor to it to compensate automatically on the timing of the injector for the pressure change
for example if you have twice the pressure for the same time in injection you will have twice the flow or so therefore is easy to create a circuit to compensate for that too
this is the gms
what control the injector so basically is a monostable circuit trigered by engine's clock compensated with the pressure to achieve constant flow controling it on time independent of pressure withing certain limits.. also connected to the accelerator that increase the time it remain on proportionally to the pedal acceleration.. so it needs two potentiometers to define the idle and maximum acceleration
i believe the arduino could be useful here to create all this reading of sensor and control of timing since its very low frequency it should not be a problem for it.. may be easy as one 2 3
obs thinking about what you just said p85 it made me think of something
if we reduce this pressure limit than to a minimum the cell will be basically operating on demand so instead of the compensation for pressure the accelerator could directly than command the extra energy needed for acceleration by increasing pressure.. like if we set idle working on demand means that if we increase the hydrogen production it will increase rpm because of increase in pressure.. (of course if its not compensated as illustrated before or compensated only up to a certain point)
lets take the arduino example to easy engineer this
lets say we use a potentiometer 0-5v for the accelerator (one analog input)
the clock will come from the car of course go to a digital input
the pressure sensor go to a analog input
we can add a frequency reading to stabilize the loop using the clock from engine...
than we create a program that takes the accelerator at 0v as the idling point..
at this point the frequency will be stable,
if it senses it increase it proportionally reduce the injection time ( if the accelerator is at 0v)
if the pressure reduce for example it must increase the injection time or if it increase it will reduce this time
so i think of creating a variable the timing of injection
and its value will be sum or subtracted every cycle to compensate..
for example:
if the pressure double the time will be divided by two but if the frequency increase every cycle it decrease say 100us of the injection time until it stabilize the rpm
the time is a variable so it can be set initially and have boundaries if you want but it can float
like a pll or pid
than when we accelerate the voltage is different than 0 and we can set that for each volt it will increase the timing proportionally of the injector
or and allow the pressure to increase some extent to allow acceleration on demand by directly producing more gas
i like the flexibility of it
however we need to have an analog circuit for cutting the gas production and also a pressure relay to open up the dc when the max pressure is reached in cause of malfunction with an alarm that sounds with it being reached!
the best would be to use 2 or 3 sensors for safety!
