Feb. 15; ‘1927.
1,611,571
’ 5.. B. CALDWELL
._ WAVE MOTOR,‘
Filed Aug. 27. 1-925
In“
mm.
“mm
b.
Sana/e1.
. CAL balsa.
BY
ToRNEYs.
1,617,571
Patented Feb. 15, 1927.
rare
SAMUEL B. CALDWELL, OF OAKLAND, CALIFORNIA.
‘ WAVE Moron.
Application ?led August 27, 1923.‘ Serial No. 659,638.
This invention relates to wave motors ‘and crates in a worm gear (15) swiveled in a
has for its primary object the provision of frame (.17). Intermeshing with the worm
a motor of thischaracter embodying novel gear (15) is an actuating screw (18) which
means adapted to be actuated by impact of a can be turned manually or in any suitable 60'
wave and by the supplemental action of the well known manner so as to establish, co
water to seek itslevel or in other words to action between the screw (14:) and the gear
ride on the crest of the wave and convey mo (15) to cause the sliding cylinder (10) to‘
tion to'a power transmitting means whereby be adjusted in the ?xed cylinder'(8).
the power generated may be used for con -
By
means of’ this'construction the saidsliding
65
cylinder can be adjusted where the ?oat (11)
Another object of the'invention is'to pro :will be subjected to the effective action of
mercial purposes.
"
_
vide a motor of thischaracter which is the water on the riseand fall thereof.
simple of construction, reliable of action
15
25
and which will be entirely automatic to com
pensate itself to the action of the waves.
Another object of the invention is to pro
vide a motor of this character which can
be effectively installed in a sea wall where
The worm screw (14) isprovided with
a bore (19) and a lateral ‘communicating
slot (20). The rod (12) of the ?oat ('11)
moves through the bore (19) and said rod
a
is formed with a lug (21) which moves in
the slot (20. Connected with this lug is
it will be positively subjected to the action a spring (22) of a draft cable (23). This 75
of the waves and at the same time concealed cable is passed around a- sheave (24L) suit~
in a manner which will prevent damage to ably journaled in the frame (17 ) and the
the parts by ships or objects coming in ‘opposite end of said cable is ?xedly con
contact with said sea wall.
nected at (25) with the upper end of said
A still further object of the invention is rod- (12). The sheave (24) is provided with so
to provide a motor of this character which a clutch surface (26) and coacting therewith
can be embodied in the construction of a are rollers or clutch bodies (27 ) which are
sea wall, of customary form.
associated with a‘clutch element (28) on the
My invention, therefore, comprises certain shaft (29) of said sheave. In this manner
new features of construction and arrange
30
it will be seen that when the ?oat (11)
ment-and combination of elements herein rises in its cylinder (10) the cable (23) will
after set forth and pointed out in the claims function as respects the sheave (24%) so as
annexed hereto.
'
as
V to cause an interlocking engagement between
In the drawings:
the clutch elements (26) and (28) and there
Figure 1 is a view partly in elevation and by place the shaft (29) in motion. Retro
partly in section of the motor.
grade rotation of this shaft is prevented
90
Figure 2 is ‘a horizontal section on the through action of said clutch elements'on a
line 2—2 of Figure 1.
downward movement of said ?oat. It shall
40
Figure 8 is a vertical sectionrthrough be understood that this downward movement
the power transferring shaft on an enlarged of the ?oat is’ encouraged by the action of
scale.
gravity in?uenced by the weight of the
Figure 4 is a face view of'the wall and rod (12).
95.
duct on a reduced scale.
as Q"
In operation it shall be assumed that there
~In carrying the, invention into practice is a determined level of sea water and that
use is made of a sea wall (5) having an the movable cylinder (10) has been adjusted
its front face at (9) to communicate with wall and enter the duct (7).‘ Under the
impact of the waves, supplemented with the
ment in the stationary casing (8) is a cy action of the ?oat to rise uponvth'e crest of
lindrical casing (10), the same being open the waves, motion in an upward direction is
at both ends and provided with a reciproca ' imparted to the ?oat, which in turn, is taken
tory ?oat or ‘buoyant body (11) to which a into the shaft (29) where it can be trans
rod (12) is connected. The movable casing ferred by means‘ of a pulley (30) to mech
(10) is provided with a yoke (13) which anism such as an electric generator to be
the duct (7). Mounted for sliding adjust
‘an o
5
100
inclined face (6) formed with a water inlet in accordance with this known level, where
duct (7) which opens to the sea. In the by to subject the ?oat (11) to the action
.sea wall is a stationary casing (8) open at of the waves as they strike against the sea
carries a worm screw (14).
This screw op~ driven thereby,
'
105
110
1,617,571
I claim:
v
-'
through the tubular member and having a
lateral extension disposed in the slot thereof,
' LA wave motor comprising a_sea wall
power transmitting device connected to the
“having a duct facingiseaward and further asupport
a connection including a clutch
having a sloped passage‘ connecting with the between andthe
said transmitting mechanism
L ‘duct and openlng through the upper side oi‘.
the extension of the ?oat arm.
the wall, a rigid support connected to the and
2.. A motor of the class described compris
sea wall, an open ended cylinder slidaloly
in combination with a sea, wall having ~
?tted in the sloped passage and'coaxial ing
a face inclined downwardly and seaward ‘
therewith, a tubular member permanently and provided with a duct extending through
‘ connected at one'end ‘to the upper end of out the distance from' top to ‘bottom, of the
" V1 the cylinder ‘and slidably connected ‘to the face, a slidably mounted open ended tube
‘ _» support,-the said tubular member having one
through the wall and 'into said
end portion thereof provided with a‘ longi extending
duct
so
that
its lower end may he variahl)7
tudinal slot and its opposite 7 end P01131011
positioned
with
respect to the lower end of
screw threaded, a worm gear and pinion‘ con
'
‘ nected to the support and?“ disposed for op
erating upon the screw threaded portion of
< r the tubular member to move thesaane axially
' iwherebythe lower end of thecyli-nder is
'
the; duct, a reciprocating ?oat amounted to
operate in- said tube and cooperating with '
the loweropen end thereof and. power. trans- ‘
mitting means connected with said ?oat. 7 ~
adjustablerwith ‘relation to the duct, a ?oat
in the cylinder, a ?oat'i'arm‘ extending loosely I
' '
SAMUEL 13.; CALDWELL.