But I come with interesting news (or so I hope) so let's get started:
Back at the start of the High Temperature Hybrid PVT odyssey it was not even high temp, it was just an effort to cool the PV for higher performance in the summer. Then I started digging in to what to do with the heat. From there I moved onto the existing hybrids (discussed elsewhere in this blog).
In the early days, the theory was a mix of:
"This seems possible, but what am I missing?"
and
"Somebody must have already solved this problem..."
However, as time passed, I came to understand the compromises involved in cooling the photovoltaic components. Far more importantly, I've come to see the role of finance in shaping the evolution and distribution of solar systems. Much of this blog has been about that and the comings and goings within the concentrator and hybrid PVT segments of the solar collector industry.
Behind the scenes (the main subject of this post) I worked on filing (and the early arguments for) a patent on my version of a hybrid solar collector. The examiners were having none of it. Most of my accomplishments were (are) in the domain of radical simplification and substitution and I thought there was so much of that innovation that it constituted a new article... And it seemed that way at the start: the Korean examiner who did the WTO exam thought it was novel and useful - actually a subtly different standard for WTO but I passed that with flying colors. Anyhow, I knew from early on that Izumi was the high water mark for inventions in this domain:
that is just the first figure... Take a look at the whole thing, it is awesome:
"Hybrid solar collector for generating electricity and heat by separating solar rays into long wavelength and short wavelength"
He, Izumi, really understood the problem (long waves being counter-productive) and knew splitters could "save the day" and he mixed and matched in a variety of ways... so really look at them. In the weeds of the claims he does not gather the full value of what he shows, I believe. And he does not crack some practical problems and shows a lovely, fluid mind
Izumi's is THE best of the bunch. And I read all of these listed below (each number is a link) and many more not so on point to arrive at that conclusion.
22009 28264 32010 43208 102120 110811 120096 122010 0154865 201001 201001 201004 0251417 0252025 292010 292010 0432706 787145 980505 1068650 1220091 1386781 1663032 1683266 1837449 1855815 1946184 1989999 1989999 1993213 2133649 2141330 2205378 2243593 2247830 2277311 2460482 2687126 2872915 2872919 2906257 2907318 2920710 2969637 2969788 2969918 3125091 3171403 3227153 3245195 3262493 3273558 3514942 3861379 3868823 3884414 3889745 3915147 3952724 3960136 3982527 3985119 3988166 3990430 3995429 3999389 4002499 4003638 4016860 4018215 4024852 4027653 4027821 4033327 4036208 4038965 4043318 4045246 4048982 4048983 4059093 4064868 4069812 4074678 4080954 4088117 4108154 4119085 4120285 4122831 4126121 4127105 4129119 4133298 4142509 4149903 4149903 4150662 4151828 4153042 4171695 4186724 4198955 4213303 4217882 4232655 4234354 4240405 4262658 4273104 4275710 4282857 4303059 4304222 4306543 4307712 4319561 4355630 4377155 4426996 4474173 4553530 4559926 4644934 4653471 4687880 4687880 4700013 4723535 4723535 4834066 4892593 4911145 4949704 4987883 5123247 5309893 5309893 5365920 5466301 5466301 5468304 5555878 5653222 5727585 5927271 6047697 6057504 06080927 6705311 7142010 7388146 7607428 7688525 20041122 20082012 20082012 25082010 25082010 120100726 120100726 300200611
That is a copy/paste effort from my note file, so some look broken linkwise but take a look! There is some interesting stuff in there ... and this list excludes the foreign patents and the non patent art.. all of which is to say it was a BUNCH of stuff and Izumi's was the runaway best.
But even after some pointed back and forth with the patent examiners, my effort (coming in a moment) was seen as a mixture of many parts Izumi plus a few parts of other inventions.
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