초록

A lubrication system for expendable turbine engines, or for emergency use with durable engines, comprises a housing receiving a collapsible bladder filled with lubricant, and means for penetrating the bladder and communicating the lubricant to a receiver upon the occurrence of a predetermined event.

대표청구항 ▼

Lubrication apparatus comprising: chambered housing means for receiving liquid lubricant; collapsible closed bladder means disposed within said housing chamber for sealingly receiving said lubricant; said housing and said bladder defining cooperating means for opening communication of said lubricant

Lubrication apparatus comprising: chambered housing means for receiving liquid lubricant; collapsible closed bladder means disposed within said housing chamber for sealingly receiving said lubricant; said housing and said bladder defining cooperating means for opening communication of said lubricant to a receiver therefor upon pressurization of said housing chamber; said cooperating means comprising said housing defining both an elongate penetrating means for sealingly impaling said bladder means and communicating said lubricant to said receiver, and means for impaling said bladder upon said penetrating means in response to said pressurization of said housing chamber; said means for impaling comprising said housing defining an elongate cylindrical bore opening to said housing chamber, said penetrating means defining an elongate shank disposed centrally of said bore and terminating in a sharp tip confronting said bladder means, said cooperating means comprising said bladder means defining a portion of circular section sealingly received movably within said bore in a first position confronting and spaced from said tip, said portion including a penetrable member in juxtaposition with said tip, resilient means biasing said portion to said first position, said portion being movable within said bore to a second position sealingly impaling said penetrable member upon said shank to communicate said lubricant to said receiver.