Em Piston Abs

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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,

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