Appeal No. 2004-0462
Application 09/915,861
energy efficiency of the electric vehicle. One way the system of
Lake meets the above-noted objectives is explained relative to
the HVAC system shown in Figure 14 of the patent (see, col. 23,
line 30, et seq.), wherein heat from the electric vehicle battery
pack (224) is used to supplement heating of the passenger
compartment.
Peschka discloses a vehicle that uses liquid hydrogen stored
in tank (1) as a fuel for an internal combustion engine (9), and
identifies a problem associated with the need for storing the
liquid hydrogen at very low temperatures. More particularly,
when using liquid hydrogen at very low temperatures as a fuel
source, the problem arises that the liquid hydrogen evaporates as
a result of heat flux from the surroundings and results in
undesired consumption of the liquid hydrogen, as well as the
problem of how to safely dispose of the gaseous hydrogen which is
produced. The system described in Peschka provides a method of
increasing the storage time of the liquid hydrogen tank (1) by
taking the gaseous hydrogen evaporating in the tank and feeding
it to a hydrogen fuel cell (14) and, by means of the electrical
energy thus produced, driving a cooling unit (23) which cools the
4
Page: Previous 1 2 3 4 5 6 7 8 Next
Last modified: November 3, 2007