Floating wave powered pump

Claim 2

A hydraulic power source for harnessing energy generated by the wave motion of a body of water, comprising: (a) a primary float; (b) a plurality of rotatable primary shafts carried by said primary float; (c) a like plurality of lever ams attached at a first end to one each of said primary shafts and extending generally horizontally outwardly from said primary float; (d) a like plurality of secondary floats, one of said secondary floats being attached to a second, opposite end of one each of said lever arms oppositely of said primary float; (e) a plurality of linear pumps located within said primary float, said pumps having pistons and cylinders, each of said cylinders having a fluid inlet and a fluid outlet; (f) drive means operatively connecting each of said linear pumps to one of said primary shafts for converting rotary motion of said primary shafts to linear motion of the pistons of said pumps; (g) a hydraulic fluid source in fluid communication with the inlets of the cylinders of said pumps for supplying hydraulic fluid thereto; and (h) pressure storing means in fluid communication with the outlets of the cylinders of said pumps for accumulating pressurized fluid exhausted from said pumps.

Claim 3

The hydraulic power source of claim 1, wherein said drive means comprises: (a) a rotary pressure plate and gear drive, said gear drive operatively connecting said one primary sahft and said rotary pressure plate for rotationally driving said rotary pressure plate, said rotary pressure plate having a first cam surface; (b) a linear pressure plate located adjacent said rotary pressure plate and being operatively connected to the pistons of said pump, said linear pressure plate being restrained for straight line movement and having a second cam surface of said rotary pressure plate; (c) a plurality of bearings positioned between each of said cam surfaces; and (d) means for biasing said linear pressure plate toward said rotary pressure plate.

Claim 4

The hydraulic power source of claim 2, wherein each of said cam surfaces has a plurality of alternating depressions and elevations.

Claim 5

The hydraulic power source of claim 2, wherein said means for biasing said linear pressure plate toward said rotary pressure plate comprise compression springs located within the cylinders of said pump, said compression springs urging the pistons of said pump outwardly against said linear pressure plate.

Claim 6

The hydraulic power source of claim 1, wherein said drive means comprises: (a) a secondary shaft located adjacent said one primary shaft, said secondary shaft having first and second ends, said first end of said secondary shaft being operatively connected to said one primary shaft through a gear step-up mechanism; (b) a rotary pressure plate connected to said second end of said secondary shaft for rotation, said rotary pressure plate having a first cam surface; (c) a linear pressure plate located adjacent said rotary pressure plate and being operatively connected to the pistons of said pump, said linear pressure plate being restrained for straight line movement and having a second cam surface facing said first cam surface of said rotary pressure plate; (d) a plurality of bearings positioned between each of said cam surfaces; and (e) means for biasing said linear pressure plate toward said rotary pressure plate.

Claim 7

The hydraulic power source of claim 5, wherein each of said cam surfaces has a plurality of alternating depressions and elevations.

Claim 8

The hydraulic power source of claim 5, wherein said means for biasing said linear pressure plate toward said rotary pressure plate comprise compression springs located within the cylinders of said pump, said compression springs urging the pistons of said pump outwardly against said linear pressure plate.

Claim 9

The hdyraulic power source of claim 1, wherein said hydraulic fluid source comprises a fluid reservoir attached to said primary float, said fluid reservoir being positioned above said pumps.

Claim 10

The hydraulic power source of claim 1, wherein said pressure storing means comprise a plurality of pressure accumulators each having a gaseous head and a check valve to prevent the backflow of pressurized fluid from said accumulators.

Claim 11

A hydraulic power source for harnessing energy generated by the wave motion of a body of water, comprising: (a) a primary float; (b) a plurality of rotatably primary shafts journaled for rotation in said primary float; (c) a like plurality of lever arms attached at first ends to one each of said primary shafts and extending generally horizontally outwardly from said primary float; (d) a like plurality of secondary floats, one of said secondary floats being attached to a second end of one each of said lever arms; (e) a plurality of linear pumps located within said primary float, said pumps having pistons and cylinders, each of said cylinders having a fluid inlet and a fluid outlet; (f) a plurality of drive meachanisms operatively connecting each of said pumps to one of said primary shafts, each of said drive meachnisms comprising: i. a secondary shaft located adjacent said one primary shaft, said secondary shaft having first and second ends, said first end of said secondary shaft being operatively connected to said one primary shaft through a gear step-up mechanism; ii. a rotary pressure plate connected to said second end of said secondary shaft, said rotary pressure plate having a first cam surface; iii. a linear pressure plate located adjacent said rotary pressure plate and being operatively connected to the pistons of said pump, said linear pressure plate being restrained for straight line movement and having a second cam surface facing said first cam surface of said rotary pressure plate; iv. a plurality of bearings positioned between each of said cam surfaces; and v. means for biasing said linear pressure plate toward said rotary pressure plate; (g) a hydraulic fluid reservoir connected to said primary float and being elevated relative to said pumps, said reservoir being in communication with the inlets of the cylinders of said pumps; and (h) pressure storing means in communication with the outlets of the cylinders of said pumps for accumulating pressurized fluid exhausted from said pumps.

Claim 12

A hydraulic power source for harnessing energy generated by the wave motion of a body of water, comprising: (a) a primary float; (b) a plurality of rotatably primary shafts journaled for rotation in said primary float; (c) a like plurality of lever arms attached at first ends to one each of said primary shafts and extending generally horizontally outwardly from said primary float; (d) a like plurality of secondary floats, one of said secondary floats being attached to a second end of one each of said lever arms; (e) a plurality of linear pumps located within said primary float, said pumps having pistons and cylinders, each of said cylinders having a fluid inlet and a fluid outlet; (f) a plurality of drive meachanisms operatively connecting each of said pumps to one of said primary shafts, each of said drive meachnisms comprising: i. a secondary shaft located adjacent said one primary shaft, said secondary shaft having first and second ends, said first end of said secondary shaft being operatively connected to said one primary shaft through a gear step-up mechanism; ii. a rotary pressure plate connected to said second end of said secondary shaft, said rotary pressure plate having a first cam surface; iii. a linear pressure plate located adjacent said rotary pressure plate and being operatively connected to the pistons of said pump, said linear pressure plate being restrained for straight line movement and having a second cam surface facing said first cam surface of said rotary pressure plate; iv. a plurality of bearings positioned between each of said cam surfaces; and v. means for biasing said linear pressure plate toward said rotary pressure plate; (g) a hydraulic fluid reservoir connected to said primary float and being elevated relative to said pumps, said reservoir being in communication with the inlets of the cylinders of said pumps; and (h) pressure storing means in communication with the outlets of the cylinders of said pumps for accumulating pressurized fluid exhausted from said pumps.

Claim 13

The hydraulic power source of claim 10, wherein each of said cam surfaces has a plurality of alternating depressions and elevations.

Claim 14

The hydraulic power source of claim 10, wherein said means for biasing said linear pressure plate toward said rotary pressure plate comprise compression springs located within the cylinders of said pump, said compression springs urging the pistons of said pump outwardly against said linear pressure plate.

Claim 15

The hydraulic power source of claim 10, wherein said pressure storing means comprise a plurality of pressure accumulators each having a gaseous head and a check valve to prevent backflow of pressurized fluid from said pressure accumulators.