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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0212938 (1980-12-04) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 25 인용 특허 : 5 |
A hydraulic drive system for an underwater vibrator has a hydraulically driven mass for generating a seismic wave into the seabed. The hydraulic drive system for the vibrator is accomplished by filtering sea water, conveying the filtered sea water to the hydraulic pump where the sea water under pres
A hydraulic drive system for an underwater vibrator having a housing including a top, sidewall means, and a bottom; seabed engaging means attached to said bottom; positioning means coupled to said housing; vibratory means including a mass member which has pistons and cylinder means, inside said hous
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