Pumps – Diverse pumps – Series
Patent
1983-05-12
1987-06-09
Croyle, Carlton R.
Pumps
Diverse pumps
Series
417273, 92 865, 92 48, 92105, 92153, 92156, F04B 2308, F01B 1900
Patent
active
046717439
ABSTRACT:
In the case of piston-machines and in particular those having an elastically deformable sealing tube between the piston and the cylinder, which causes a relatively large structural length of the cylinder-piston arrangement and is provided if necessary with a forced feed for the lubricant, a reduction in the space requirement, in particular the structural length of the cylinder-piston arrangement is achieved by a driving member (30) associated with each piston (20) and embracing the associated cylinder (25) externally and extending over at least part of the length of the cylinder, and frictionally connected, e.g., to a rotating driving mechanism (10). The pulsating secondary space (35) formed by the driving member (30) at the outside of the cylinder (25) is connected for the avoidance of shock pressures because of filling with lubricant liquid flowing away, through a balancing channel (40) of large cross-sectional area to a pressure-balancing chamber (110). For further reduction in the space requirement the often necessary lubricant cooling may be effected by means of a heatexchanger (210) to which the lubricant and the working medium of the piston machine are admitted and which is arranged advantageously inside a lubricant storage chamber or collector (110).
REFERENCES:
patent: 781678 (1905-02-01), Richwood
patent: 2064750 (1936-12-01), Hurst
patent: 2179354 (1939-11-01), Scott
patent: 2364111 (1944-12-01), Tucker
patent: 2472355 (1949-06-01), Whittingham
patent: 3554090 (1971-06-01), Wallace
patent: 3703342 (1972-11-01), O'Conner
patent: 3854383 (1974-12-01), Paynter
patent: 4080107 (1978-03-01), Ferrentino
patent: 4424739 (1984-01-01), Hovarka
Croyle Carlton R.
Hydrowatt Systems Limted
Neils Paul F.
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