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US006049146A
Ulllted
States Patent
[ 1 9 ] [ 1 1 ]
P a t e n t
N u m b e r : 6
049
1 4 6
9
Takara [ 4 5 ]
D a t e o f P a t e n t : A p r .
1 1
2 0 0 0
[ 5 4 ] ELECTROMAGNETIC PISTON ENGINE P r i m a r y E x a m i n e r — N e s t o r R a m i r e z
_
Assistant
Examiner—Judson H. Jones
[ 7 6 ] I n v e n t o r ?
Muneakl T a k a l ‘ a , 1 9 - 2 0, Oroku A t t o r n e y , A g e n t ,
o r Firm—Morrison
o e r s t e r LLP
1 - c h o m e ,
N a h a - s h i
O k i n a w a ,
J a p a n
[ 5 7 ]
ABSTRACT
[ 2 1 ]
A p p l . N 0 . : 0 9 / 0 9 1 , 9 3 0
[ 2 2 ] P C T F i l e d :
D e c ‘ 2 4 ’ 1 9 9 6 T h e ‘ p r e s e n t i n v e n t i o n
r e l a t e s t o a n
e l e c t r o m a g n e t i c ~ p i s t o n
e n g i n e
c a p a b l e o f
p r o d u c i n g
d r 1 v 1 n g p o w e r b y
a r e c i p r o c a l
[ 8 6 ]
PCT
N 0 . :
PCT/JP96/03770
movement f a p i s t o n i n a c y l i n d e r by l e c t r o m a g n e t i c f o r c e .
§
3 7 1 Date
Oct
1 3 1 9 9 8 The p r e s e n t
i n v e n t i o n
h a s t h e
o b j e c t s t o
p r o v i d e t h e
e l e c
’
tromagnetic p i s t o n
engine Which
can do
Without
a v a r i e t y of
§
102
e
D a t e : O c t . 1 3 ,
1998
r e s i s t a n c e
i n h e r e n t
i n
i n t e r n a l
combustion
i s t o n
e n
i n e s ,
h P g
_
W
c h
reduces
t h e
Weight corresponding t o a r o t a r y assem
[ 8 7 ] PCT u b ’ NO W097 / 2 3 7 2 8 b l y p o r t i o n t o a s m a l l e r
v a l u e
e v e n i f a
g r e a t
o u t p u t
i s
PCT P u b ,
D a t e ; J u ] _
3 1 9 9 7
p r o d u c e d ,
W h i c h c a n b e r e a d i l y e m p l o y e d t o g e t h e r
W i t h
_ _ _ _ _ poWer transmission mechanisms
and
so on f o r use
With
[ 3 0 ] F o r e l g n
A p p h c a t l o n
Pnonty
D a t a c o n v e n t i o n a l i n t e r n a l
c o m b u s t i o n
p i s t o n e n g i n e s
a n d W h i c h
D e c . 2 5 , 1 9 9 5 [ J P ] J a p a n
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . 7 - 3 3 7 4 2 2 h a s a high e ? i c i e n c y i n energy consumption. T h e e l e c t r o
[ 5 1 ] I n t . C l . 7 . . . . . . . . . . . . . . . . . . . . . . . . .
. .
H0 2K 7 / 0 7 5 ;
H02K 3 3 / 1 0
m a g n e t “ : p l s t o n
e n g m e
1 S p r o w d e d WM} h e C y h n d e r a n - d t h e
piston made each of a ma n e t 1 c material a s Well a s
With
a s
[ 5 2 ] US
C l
3 1 0 / 2 4 3 1 0 / 2 3 g
I .
. .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . , the Cylinder electro magnet
having
the inner wall of the
F l e l d
O f
Search . . . . . . . . . . . . . . . . . . . . . . . . . . . . C y l i n d e r
m a g n e t i z a b l e t o
a
one magnetic
p o l e
and
t h e
/
’ ’ ’
p i s t o n
magnetization
u n i t f o r magnetizing a p o r t i o n o f
t h e
[ 5 6 ] R e f e r e n c e s
C i t e d
p i s t o n e n g a g e a b l e W i t h t h e c y l i n d e r t o a
s i n g l e m a g n e t i c
p o l e i n a ?xed m a n n e r . The m a g n e t i z a t i o n o f
t h e
c y l i n d e r
U . S . PATENT
DOCUMENTS
e l e c t r o m a g n e t g e n e r a t e s
m a g n e t i c a l l y
a t t r a c t i n g f o r c e
3 9 4 2
9 1 3
3 / 1 9 7 6 Bokelman 3 1 0 / 2 4
X
betWeen t h e
c y l i n d e r
and t h e p i s t o n t o c a u s e t h e p i s t o n t o
4 , 6 3 1 , 4 5 5
1 2 / 1 9 8 6
T a i s h o f f . . . I : 3 : 1 3 3 : 1 2 : 1 : 1 1 . . . .
3 1 8 / 3 7 move
n a o n e
d i r e c t i o n
a n d t h e r e a f t e r m a g n e t i c a l l y r e p e l l e n t
’ ’
f o r c e
t o t r a n s f e r t h e i s t o n i n t h e
o
o s i t e d i r e c t i o n . This
_ _ P PP
FOREIGN PATENT DOCUMENTS s e r i e s
o f
t h e
a c t i o n s
a r e
r e p e a t e d
t o p r o v i d e a c o n t i n u a l
5 0 6 6 5 1 1
5 / 1 9 7 5 J a p a n r e c i p ro c a l
movement
o f
t h e
p i s t o n .
57-34762
2/1982
Japan
.
5 - 2 2 8 9 4 1 / 1 9 9 3
J a p a n . 2 0 Claims,
2 3
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