Self-sealing transfer tube for port plate

Details Self-sealing transfer tube for port plate Self-sealing transfer tube for port plate

1989-08-30

1991-05-14

Look, Edward K.

Power plants

Pressure fluid source and motor

Having distinct cooling or lubricating structure

60488, 285191, 138 39, F04B 3912

Patent

active

050145134

ABSTRACT:
The problem of sealing a communication bore (56) in a port plate (40) is solved with a self-sealing transfer tube assembly (52). The transfer tube assembly (52) includes a coupling element (64) which is received in a supply bore (60) which intersects the communication bore (56). A relatively small window (78) is provided in the coupling element to provide hydraulic communication between the transfer tube assembly (52) and the port plate porting area (48), while its solid side wall (68) otherwise seals the outer portion of the communication bore (56).

REFERENCES:
patent: 3213616 (1965-10-01), Reinke
patent: 3975990 (1976-08-01), Kraus
patent: 4173867 (1979-11-01), Schmidt et al.

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