Machine element or mechanism – Mechanical movements – Rotary to or from reciprocating or oscillating
Patent
1976-06-23
1977-08-23
Freeh, William L.
Machine element or mechanism
Mechanical movements
Rotary to or from reciprocating or oscillating
417269, F16H 2300, F04B 114
Patent
active
040432092
ABSTRACT:
A hydrostatic bearing lubrication system for a swash plate compressor or engine in which the compressor or engine has at least one reciprocating piston assembly mounted in a cylinder and connected to and reciprocating with a stator in which a rotating and oscillating rotor is mounted. At least one hydrostatic bearing shoe is mounted within the stator in a bearing relationship with the side of the rotor subject to the highest loads in the operation of the compressor or engine.
In such a compressor or engine the invention comprises means for continuously varying the pressure of the lubricating fluid delivered to the bearing shoe directly with the load on the bearing shoe. That means comprises a closed cylinder with a free piston carried therein. One end of the closed cylinder on one side of the free piston is interposed in the lubricating fluid pressure line from a constant pressure lubricating fluid pump to the bearing shoe. The other end of the closed cylinder on the other side of the free piston is connected by a fluid pressure line into the head end of the compressor or engine cylinder so that as pressure in the compressor or engine cylinder varies, that pressure is directly applied to the free piston which in turn directly correspondingly varies the lubricating fluid pressure in the lubricating fluid flowing to the bearing shoe. Check valves prevent reverse flow in the system when a negative pressure is produced in the compressor or engine cylinder. In a preferred embodiment, the closed cylinder is formed in the piston rod of the piston assembly of the compressor or engine.
REFERENCES:
patent: 1842322 (1932-01-01), Hulsebos
patent: 2151415 (1939-03-01), Bennotch
patent: 2380574 (1945-07-01), Beeh et al.
patent: 2518618 (1950-08-01), Huber
patent: 3085514 (1963-04-01), Budzech
Benno Edward L.
Freeh William L.
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