Lubricator device

Claim 2

A lubricating device for air pressure power systems, said device including, in combination, structure defining a lubricant chamber, an air inlet, and an air lubricant outlet; stationary, elongate mixing means operatively interposed between said chamber, inlet and outlet, for combining lubricant from said chamber with pressured air present at said inlet, to produce a lubricant entraining air stream discharging outwardly through said outlet; and movable piston means, having a central aperture receiving said elongate mixing means, and responsive to air pressure present at said inlet for applying pressure against said lubricant contained in said chamber, to force the latter toward said elongate mixing means, said piston means coacting with said elongate mixing means for closing said outlet with said elongate mixing means to thereby prevent the flow of air through said outlet when said lubricant within said chamber becomes essentially exhausted as to supply.

Claim 3

Apparatus according to claim 1 wherein said chamber comprises a cylinder, said piston being operatively disposed in said cylinder.

Claim 4

Apparatus according to claim 1 wherein said elongate mixing means comprises a tube and a nozzle selectively engaging said piston means and centrally disposed axially in said tube, first valving means interposed between said tube and said inlet and responsive to applied air pressure thereat for opening into said tube, whereby to permit said air pressure to create said air stream passing through said tube, and second valving means for providing valved communication between said chamber and said nozzle, whereby to allow lubricant within said chamber to pressure eject, under said air pressure, into and through said nozzle.

Claim 5

Apparatus according to claim 1 wherein said elongate mixing means comprises a tube and a nozzle disposed within said tube, said structure including mutually spaced, inner and outer cylinders circumscribing said tube and forming a doubled-back cavity, said pressure applying means comprising piston means interposed between said inlet and outlet and operatively interposed between said tube and said inner cylinder, wherein said tube comprises piston rod means affixed to said piston, said structure including a base, said tube being journaled to said base, and wherein said tube includes an indicator marking means for indicating degree of lubricant depletion.

Claim 6

Apparatus according to claim 3 wherein said first valving means, when opening, operatively engages said second valving means to likewise open the latter.

Claim 7

A lubricating device for air pressure power systems, said device including, in combination, structure defining a lubricant chamber, an air inlet, and an air lubricant outlet; mixing means operatively interposed between said chamber, inlet and outlet, for combining lubricant from said chamber with pressured air present at said inlet, to produce a lubricant-entraining air stream discharging outwardly through said outlet; and means responsive to air pressure present at the said inlet for applying pressure against said lubricant contained in said chamber, to force the latter toward said mixing means, wherein said mixing means comprises a tube and a nozzle disposed in said tube, first valving means interposed between said tube and said inlet and responsive to applied air pressure thereat for opening, whereby to permit said air pressure to create said air stream passing through said tube, and second valving means for providing valved communication between said chamber and said nozzle, whereby to allow lubricant within said chamber to pressure eject, under said air pressure, into and through said nozzle, wherein said first valving means, when opening, operatively engages said second valving means to likewise open the latter, and wherein said first valving means comprises a head having a through aperture and a valve member having a body journaled for longitudinal reciprocation within said through aperture and a valve flange integral with said valve body, said head including a transverse bore providing a valve orifice, said valve body having valve seat, second valving means operably disposed in said transverse bore and operably engaging said seat, said tube having aperture means interposed between said valve seat and the tube''s interior.

Claim 8

A lubricating device for air pressure power systems, said device including, in combination, structure defining a lubricant chamber, an air inlet, and an air lubricant outlet; mixing means operatively interposed between said chamber, inlet and outlet, for combining lubricant from said chamber with pressured air present at said inlet, to produce a lubricant-entraining air stream discharging outwardly through said outlet; and means responsive to air pressure present at the said inlet for applying pressure against said lubricant contained in said chamber, to force the latter toward said mixing means, wherein said mixing means comprises a tube and a nozzle disposed in said tube, first valving means interposed between said tube and said inlet and responsive to applied air pressure thereat for opening, whereby to permit said air pressure to create said air stream passing through said tube, and second valving means for providing valved communication between said chamber and said nozzle, whereby to allow lubricant within said chamber to pressure eject, under said air pressure, into and through said nozzle, wherein said first valving means, when opening, operatively engages said second valving means to likewise open the latter, and wherein said first valving means comprises a head having a through aperture and a valve member having a body journaled for longitudinal reciprocation within said through aperture and a valve flange integral with said valve body, said head including a transverse bore providing a valve orifice, said valve body having valve seat, second valving means operably disposed in said transverse bore and operably engaging said seat, said tube having aperture means interposed between said valve seat and the tube''s interior.

Claim 9

A lubricating device including, in combination, a head and a base coaxially disposed and mutually spaced apart, an outer cylinder interconnecting said head and base, these two forming the opposite ends of said cylinder, said head being provided with an air inlet, said base being provided with an air lubricant outlet, an elongate nozzle secured to said head and extending longitudinally within said cylinder toward said base, a tube axially disposed over said nozzle and journaled in said base to operatively extend therethrough, an inner cylinder spaced from said outer cylinder and extending between said head and said base, a spring-loaded piston operatively disposed in said inner cylinder and centrally connected to said tube, said head including air passageway means therethrough, first valving means interposed between the space between said inner and outer cylinders and said nozzle and responsive to the presence of air pressure at said inlet for selectively supplying lubricant communication between said space and said nozzle, and second valving means mounted to said nozzle and responsive to air pressure at said inlet and air passageway means for communicating said air pressure to said piston, whereby to thrust the same downstream and urge lubricant downstream through said cylinder and upstream through said space toward said first valving means.

Claim 10

A lubricating device including, in combination, a head and a base coaxially disposed and mutually spaced apart, an outer cylinder interconnecting said head and base, these two forming the opposite ends of said cylinder, said head being provided with an air inlet, said base being provided with an air lubricant outlet, an elongate nozzle secured to said head and extending longitudinally within said cylinder toward said base, a tube axially disposed over said nozzle and journaled in said base to operatively extend therethrough, an inner cylinder spaced from said outer cylinder and extending between said head and said base, a spring-loaded piston operatively disposed in said inner cylinder and centrally connected to said tube, said head including air passageway means therethrough, first valving means interposed between the space between said inner and outer cylinders and said nozzle and responsive to the presence of air pressure at said inlet for selectively supplying lubricant communication between said space and said nozzle, and second valving means mounted to said nozzle and responsive to air pressure at said inlet and air passageway means for communicating said air pressure to said piston, whereby to thrust the same downstream and urge lubricant downstream through said cylinder and upstream through said space toward said first valving means.

Claim 11

Apparatus according to claim 7 wherein said nozzle includes an upstream-facing shoulder, said piston including a downstream-facing abutment engaging said shoulder at a downstream extension of travel of said tube.

Claim 12

Structure according to claim 8 wherein said second valving means includes a return spring, said shoulder and abutment comprising an airflow impediment, whereby to permit said second valving means to reseat under the pressure of said return spring.

Claim 13

A lubricating device for air pressure power systems, said device including, in combination, structure defining a lubricant chamber, an air inlet, and an air lubricant outlet; stationary, elongate mixing means operatively interposed between said chamber, inlet and outlet, for combining lubricant from said chamber with pressured air present at said inlet, to produce a lubricant-entraining air stream discharging outwardly through said outlet; movable piston means having a central aperture for receiving said elongate mixing means to thereby permit said piston means to move over said elongate mixing means; air pressure openable valving means operatively interposed between said inlet and said piston means, said piston means being responsive to air pressure present at said inlet, as communicated through said valving means, for applying pressure against said lubricant contained in said chamber, to force the latter toward said elongate mixing means.

Claim 14

A lubricating device for air pressure power systems, said device including, in combination, structure defining a lubricant chamber, an air inlet, and an air lubricant outlet; stationary, elongate mixing means operatively interposed between said chamber, inlet and outlet, for combining lubricant from said chamber with pressured air present at said inlet, to produce a lubricant-entraining air stream discharging outwardly through said outlet; movable piston means having a central aperture for receiving said elongate mixing means to thereby permit said piston means to move over said elongate mixing means; air pressure openable valving means operatively interposed between said inlet and said piston means, said piston means being responsive to air pressure present at said inlet, as communicated through said valving means, for applying pressure against said lubricant contained in said chamber, to force the latter toward said elongate mixing means.

Claim 15

A lubricating device for air pressure power systems, said device including, in combination, structure defining a lubricant chamber, an air inlet, and an air lubricant outlet; stationary, elongate mixing means operatively interposed between said chamber, inlet, and outlet, for combining lubricant from said chamber with pressured air present at said inlet, to produce a lubricant-entraining air stream discharging outwardly through said outlet; movable piston means having a central aperture for receiving said elongate mixing means to thereby permit said piston means to move over said elongate mixing means; air pressure openable first valve means operatively interposed between said inlet and said piston means; second valving means interposed between said chamber and said elongate mixing means and cooperably engaging said first valving means, to be opened thereby upon the opening of the latter, said piston means being responsive to air pressure present at said inlet as communicated through said valving means for applying pressure against said lubricant contained in said chamber, to force the latter through said second valving means toward said mixing means.

Claim 16

A lubricating device for air pressure power systems, said device including, in combination, structure defining a lubricant chamber, an air inlet, and an air lubricant outlet; stationary, elongate mixing means operatively interposed between said chamber, inlet, and outlet, for combining lubricant from said chamber with pressured air present at said inlet, to produce a lubricant-entraining air stream discharging outwardly through said outlet; movable piston means having a central aperture for receiving said elongate mixing means to thereby permit said piston means to move over said elongate mixing means; air pressure openable first valve means operatively interposed between said inlet and said piston means; second valving means interposed between said chamber and said elongate mixing means and cooperably engaging said first valving means, to be opened thereby upon the opening of the latter, said piston means being responsive to air pressure present at said inlet as communicated through said valving means for applying pressure against said lubricant contained in said chamber, to force the latter through said second valving means toward said mixing means.