Manual hydraulic pump activated by compressed air for emptying wells or bores
The pump has a purge device having a spherical or cylindrical piece inside it, this piece being disengaged from either the lower position or the upper part on arrival of the purge air through the pipe. The device comprises a manual hydraulic pump (6) and a tank (1) in communication with bore water t...
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Format: | Patent |
Sprache: | eng ; fre |
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Zusammenfassung: | The pump has a purge device having a spherical or cylindrical piece inside it, this piece being disengaged from either the lower position or the upper part on arrival of the purge air through the pipe. The device comprises a manual hydraulic pump (6) and a tank (1) in communication with bore water through a non-return valve (2). A discharge pipe (3) fitted with a non-return valve at its bottom passes through the tank upper wall. A pipe (5) also passing through the tank upper wall is connected to the pump through a device (10) for purging the air contained in the tank. The purge device is closed by an upper wall having an opening (13) and closed in its lower part by a wall through which a pipe (4) supplied with compressed air discharges. A spherical or cylindrical piece slides inside the purge device to occupy either the lower position (11) or the upper part (12). This piece is disengaged from each of these positions on the arrival of the purge air through the pipe (5).
Pompe hydraulique refoulante pour puits ou forage actionnée par une pompe pneumatique manuelle.Elle est constituée par un réservoir (1) en communication avec l'eau du forage par un clapet de non retour (2), un tuyau de refoulement (3) équipé d'un clapet de non retour (9) traverse la cloison supérieure du réservoir pour déboucher dans le réservoir, à proximité de la cloison inférieure du réservoir.Une tubulure (5), met le réservoir (1) en communication avec la pompe manuelle (6) par l'intermédiaire d'un dispositif de purge (10) de l'air contenu dans le réservoir. |
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