asteroza + hydraulic   36

Exergyn®
Power generator using cycling waste heat hot water/cooling water to drive a shape memory alloy wire actuator piston, which drives a hydraulic transmission and power generator. Made a discovery for high cycle ninitol alloy (10 million versus 1 million cycles for regular NT wire) to make the linear actuator work for industrial applications. Uses direct impingement of hot water and cold water to cycle the actuator though...
nitinol  shape  memory  metal  alloy  materials  science  research  technology  wasteheat  power  generator  linear  actuator  piston  hydraulic  transmission  drive  scavenging  harvesting  high  cycle  fatigue  resistance 
march 2019 by asteroza
Techology & Fluidification | Ferox Advanced Vehicles
Some sort of new hydraulic drive/transmission system, using 95% water and at a lot lower pressure than conventional hydraulics.
water  working  fluid  hydraulic  drive  transmission  automotive  research  technology  in-wheel  motor 
december 2018 by asteroza
Heindl Energy - Gravity Storage
Another one of those engineered natural rock piston type hydraulic energy storage concept. Always figured the accurate cutting/fitting of the cylinder wall and piston sleeve would be a pain.
rock  cylinder  piston  hydraulic  energy  storage  pumped  hydro  hydroelectric  power  generator  Delicious 
june 2017 by asteroza
Haha Generation Develops Series-hybrid Truck - Nikkei Technology Online
Uh, so series hybrid diesel generator, battery, electric motor, but it sounds like regen/boost is hydraulic rather than electric to avoid damaging the battery?
series  hybrid  electric  hydraulic  truck  range  extender  generator  Delicious 
may 2017 by asteroza
Wave Energy :: ALBATERN :: WaveNET
Interesting wave energy power generator design, using linkable modules. Similar to pelamis, but all the hydraulic piston stuff is done underwater it seems.
waveNET  modular  pneumatic  pump  wave  motion  power  generator  marine  renewable  green  energy  research  technology  array  hydraulic  structure  ocean  Delicious 
november 2014 by asteroza
Chimera Energy
Apparently a "dry" fracking technique using no water, just gelled propane (WTF?!?). Interesting methodology...
gelled  propane  dry  well  fracking  technology  underground  facture  gas  pressure  hydraulic  Delicious 
august 2012 by asteroza
Parker Awarded Ohio Grant to Advance Wind Energy Technology, Parker Hannifin Corp.
Apparently a hydraulic transmission to move the power down from a wind turbine hub to the ground, to a ground mounted generator. This reduces weight aloft in theory, assuming you can accept the efficiency and thermal losses from the high pressure hydraulic line link between the hub and the ground. There is something very attractive about getting the electrical bits down to ground level, for maintenance purposes.
wind  turbine  high  pressure  hydraulic  remote  transmission  power  generator  green  energy  hardware  Delicious 
february 2012 by asteroza
One Per Cent: Green Machine: Storing wind power beneath the waves
This seems to be describing an underwater CAES setup, but I though the original concept was actually a pumped hydro based concept. Basically, a strong in compression concrete sphere has a positive displacement pump/generator placed on it, and pumps water out of the sphere at depth. This emulates a pumped hydro dam/lake/reservoir but with a huge hydraulic head. With a deep underwater CAES setup, you run the risk of the sphere becoming buoyant, which kinda defeats the secondary purpose of being an offshore floating wind turbine platform's anchor. Maybe it isn't actually CAES but a simple pressure regulation system to maintain minimum pressure to prevent excess vapor formation (and the risk of ice accumulation)?
CAES  ORES  ocean  offshore  renewable  energy  storage  concrete  sphere  pressure  differential  pumped  hydroelectric  power  generator  green  energy  grid  hydraulic  Delicious 
december 2011 by asteroza
Carnegie Wave Energy
Nice part of this is that it basically is a submerged buoy actuated seawater pump, sending high pressure seawater ashore to a turbine station on land, keeping the electrical bits dry. Water pressure can be used directly for desalination as well.
CETO  wave  power  generator  green  energy  reciprocating  hydraulic  seawater  ocean  Water  pump  buoy  desalination  high  pressure  marine  structures  point  absorber  Delicious 
december 2011 by asteroza
Yamaha two-wheel drive motorcycle
I wonder if Yamaha's work on the lightweight 2-trac system can be scaled up for hydraulic hybrid cars?
Yamaha  motorcycle  bike  two  wheel  drive  2WD  lightweight  low  weight  small  form  factor  boost  booster  hybrid  hydraulic  in-wheel  hub  motor  hardware  green  transportation  technology  research  Delicious 
september 2011 by asteroza
LightSail Energy, Inc.
Some kind of stealth startup in the CAES field, using some sort of hydraulic based air compression system, and using water mist to capture compression heat and to reduce tank temperature post compression.
CAES  compressed  air  energy  storage  green  startup  hydraulic  compression  compressor  mist  water  injection  Delicious 
september 2011 by asteroza
Valentin Technologies, Inc. - The 170MPG Car
Diesel/hydraulic hybrid drivetrain. Was a valid drivetrain option in the past (used on diesel locomotives). Using modern carbon composite tanks would really cut down the weight, coupled with an efficient single speed diesel (or move up to a gas turbine like a Capstone microturbine). Arguably a better option for countries where the electric vehicle support infrastructure really isn't there. Third world countries can import, and do local engine maintenance if it is a simple diesel, hydro tank testing for safety is simple, and push comes to shove normal welded steel tanks are possible too for easier local maintenance. Raw stored energy density will be unfortunately poor (50 miles though hydraulic regenerative braking compensates a lot for this), and offgrid recharge still goes back to electric consumption (the IngoCar CE concept would be interesting as a "multifuel" energy source agnostic vehicle)
Valentin  INGOCAR  hybrid  drivetrain  hydrostatic  hydraulic  motor  vehicle  transportation  automotive  propulsion  green  Delicious 
april 2010 by asteroza
Home
Hydraulic series hybrid with regenerative braking via the pressure accumulator, as an alternative to electric series hybrid vehicle systems. Applications for wind turbines as a replacement transmission (though what about remote transmissions to put the generator on the ground to reduce weight aloft?)
technology  wind  green  turbine  energy  alternative  pump  transportation  transmission  vehicle  pressure  motor  hybrid  car  digital  displacement  hydraulic  Artemis  japan  MHI  Delicious 
march 2009 by asteroza

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