Packing gland leak retriever device

Details Packing gland leak retriever device Packing gland leak retriever device

1974-11-25

1977-04-12

Cohan, Alan

Pumps

Condition responsive control of pump drive motor

By stopping pump in response to leakage into or from system

92 62, 92 80, 92 82, 92 86, 166 81, 277 19, F04B 4910

Patent

active

040172147

ABSTRACT:
Disclosed is a leak retriever for the packing gland on oil well pumps. The leak retriever has a reservoir disposed about the packing gland to collect oil which leaks through the gland and an auxiliary pump which is mounted in the reservoir and connected to pump all oil collected back into the discharge line for the well. The auxiliary pump is mounted in the reservoir so that any leaks from the auxiliary pump are also collected by the reservoir, and is driven by a plate on the polish rod of the well pump driving apparatus. In the first form the reservoir is clamped onto the packing gland housing below the cap nut, and in the second form it is made integral with the cap nut.

REFERENCES:
patent: 1649593 (1927-11-01), Johnson
patent: 1859393 (1932-05-01), Heitger
patent: 2000265 (1935-05-01), Vickers
patent: 2136239 (1938-11-01), Ernst
patent: 2552762 (1951-05-01), Baker
patent: 2567641 (1951-09-01), Hazelton
patent: 2915975 (1959-12-01), Kittrell
patent: 3163430 (1964-12-01), Normand
patent: 3249062 (1966-05-01), Coberly
patent: 3279376 (1966-10-01), Hart
patent: 3529421 (1970-09-01), Neeley
patent: 3869963 (1975-03-01), Schindel

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