GB1043118A - Seismic transducer for generating seismic waves in the earth - Google Patents
Seismic transducer for generating seismic waves in the earthInfo
- Publication number
- GB1043118A GB1043118A GB3844564A GB3844564A GB1043118A GB 1043118 A GB1043118 A GB 1043118A GB 3844564 A GB3844564 A GB 3844564A GB 3844564 A GB3844564 A GB 3844564A GB 1043118 A GB1043118 A GB 1043118A
- Authority
- GB
- United Kingdom
- Prior art keywords
- block
- piston
- fluid
- ports
- chambers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/02—Generating seismic energy
- G01V1/143—Generating seismic energy using mechanical driving means, e.g. motor driven shaft
- G01V1/155—Generating seismic energy using mechanical driving means, e.g. motor driven shaft using reciprocating masses
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/02—Generating seismic energy
- G01V1/04—Details
- G01V1/047—Arrangements for coupling the generator to the ground
- G01V1/053—Arrangements for coupling the generator to the ground for generating transverse waves
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Acoustics & Sound (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
1,043,118. Hydraulic reciprocating motors, pumps, &c. CONTINENTAL OIL CO. Sept. 21, 1964, No. 38445/64. Heading F1A. [Also in Divisions F2 and G1] A motor used to vibrate a mass 12 comprises a cylinder 31 in the base of a steel block 12 and a piston 18 reciprocated in the cylinder by admitting fluid alternately to chambers 36, 38. An electrically controlled servo-valve 54 controls the flow of fluid through ports 50, 52 to chambers 36, 38 respectively. Inner bearing inserts 32, 34 for the piston 18 form high pressure oil seals around the piston rods 20, 22 respectively and behind the inserts are low pressure packing glands 40, 42 held in place by bearing inserts 44, 46 which are bolted to the block 25. Piston 18 is machined to the finished outer dimensions and provided with grooves 150 for piston rings 152. Pins 154 extend from opposite faces of the piston into steel pipes 156 welded at 158 and at the joint 164 with closure plug 160, which is tapped to receive a bolt 88 extending through a plate 64. A key 169 prevents rotation of the cylinder sleeve 31 in the block 25. To reciprocate the motor high pressure fluid from a source (not shown) is admitted through a bore 360 by control valve 54, which is provided with five ports communicating with the power fluid source, the fluid sump, and cylinder chambers 36, 38. A bore 362 in block 25 communicates with the two exhaust ports of valve 54. Fluid entering bore 360 is alternately directed by valve 54 to one of the ports 50, 52 and hence through openings 176, 178 respectively to chambers 36, 38 alternately, the other of the ports 50, 52 being simultaneously connected to the exhaust bore 362. As the piston reciprocates the block 12 reciprocates also, but moves in the opposite direction and its movement is communicated to the support frame 24, cushioning members 252 being housed in uprights 80, to act as buffers for the block 12. To maintain the centring of the block 12 a transformer 260 is provided and comprises a rod 262 screwed into the block and extending into a control winding 270 mounted in the upright 80. By varying the length of the inserts 32, 34, the stroke of the piston may be altered, and hence the operating frequency. Reference has been directed by the Comptroller to Specification 903,496.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3844564A GB1043118A (en) | 1964-09-21 | 1964-09-21 | Seismic transducer for generating seismic waves in the earth |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3844564A GB1043118A (en) | 1964-09-21 | 1964-09-21 | Seismic transducer for generating seismic waves in the earth |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1043118A true GB1043118A (en) | 1966-09-21 |
Family
ID=10403493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3844564A Expired GB1043118A (en) | 1964-09-21 | 1964-09-21 | Seismic transducer for generating seismic waves in the earth |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1043118A (en) |
-
1964
- 1964-09-21 GB GB3844564A patent/GB1043118A/en not_active Expired
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