公开(公告)号：US3596567A

公开(公告)日：1971-08-03

申请号：US3596567D

申请日：1969-08-12

Applicant: MILTON L BENJAMIN ,  DAVID D WALKER ,  ERICKSON TOOL CO

Inventor： BENJAMIN MILTON L ,  WALKER DAVID D ,  CO ERICKSON TOOL

IPC: B23B31/30 ,  F15B20/00 ,  F15B11/08 ,  F15B13/042

CPC classification number: F15B20/004 ,  B23B31/302 ,  Y10T137/1098 ,  Y10T137/1153 ,  Y10T137/87193 ,  Y10T137/87225

Abstract: A fail-safe control valve assembly for rotatable fluid motors. The valve assembly rotates with the motor and a pair of free floating check valve members of the assembly are movable radially against their valve seats aided by centrifugal action to trap fluid in the motor in the event of loss of source pressure. One of the check valve members controls inlet flow and the other exhaust flow, or vice versa, depending upon the direction in which the motor is actuated. Valve spools exposed to the inlet and exhaust flow pressure differential act on the valve members to hold that valve member controlling exhaust flow removed from its valve seat. The spools are radially movable outward away from the valve seats to facilitate valve closing.

公开(公告)号：US2436848A

公开(公告)日：1948-03-02

申请号：US63289445

申请日：1945-12-05

Applicant: BENJAMIN

Inventor： BENJAMIN MILTON L ,  WINNEN FRANKLYN E

IPC: B23B31/20

CPC classification number: B23B31/201 ,  Y10T279/17521 ,  Y10T279/17529

公开(公告)号：US2465836A

公开(公告)日：1949-03-29

申请号：US59900345

申请日：1945-06-12

Applicant: BENJAMIN MILTON L

Inventor： BENJAMIN MILTON L

IPC: B23G1/46

CPC classification number: B23G1/46 ,  Y10T279/17512 ,  Y10T279/17529

公开(公告)号：US2383036A

公开(公告)日：1945-08-21

申请号：US50309843

申请日：1943-09-20

Applicant: MILTON L BENJAMIN

Inventor： BENJAMIN MILTON L ,  BENJAMIN STANLEY S

IPC: B23B31/40

CPC classification number: B23B31/4006 ,  Y10T82/268 ,  Y10T279/1012

公开(公告)号：US2228685A

公开(公告)日：1941-01-14

申请号：US28739239

申请日：1939-07-29

Applicant: BENJAMIN MILTON L

Inventor： BENJAMIN MILTON L

IPC: B23B31/20

CPC classification number: B23B31/20 ,  Y10T279/17512 ,  Y10T279/17521

公开(公告)号：US2465837A

公开(公告)日：1949-03-29

申请号：US64333446

申请日：1946-01-25

Applicant: MILTON L BENJAMIN

Inventor： BENJAMIN MILTON L ,  BENJAMIN STANLEY S

IPC: B23B31/20

CPC classification number: B23B31/201 ,  Y10S279/904 ,  Y10T279/17495 ,  Y10T279/17529 ,  Y10T279/17538 ,  Y10T279/17555 ,  Y10T279/35

公开(公告)号：US2462155A

公开(公告)日：1949-02-22

申请号：US63289345

申请日：1945-12-05

Applicant: BENJAMIN

Inventor： BENJAMIN MILTON L ,  WINNEN FRANKLYN E

IPC: B23B31/20

CPC classification number: B23B31/204 ,  Y10T279/1266 ,  Y10T279/17521

公开(公告)号：US2547518A

公开(公告)日：1951-04-03

申请号：US13026249

申请日：1949-11-30

Applicant: BENJAMIN

Inventor： BENJAMIN MILTON L ,  WINNEN FRANKLYN E

IPC: B23B31/08

CPC classification number: B23B31/08 ,  Y10T279/17017

公开(公告)号：US2515183A

公开(公告)日：1950-07-18

申请号：US5038848

申请日：1948-09-21

Applicant: BENJAMIN

Inventor： BENJAMIN MILTON L ,  WINNEN FRANKLYN E

IPC: B23B31/20

CPC classification number: B23B31/204 ,  Y10T279/1266 ,  Y10T279/17521

公开(公告)号：US2600960A

公开(公告)日：1952-06-17

申请号：US6411648

申请日：1948-12-08

Applicant: BENJAMIN

Inventor： BENJAMIN MILTON L ,  WINNEN FRANKLYN E

IPC: B23Q1/68 ,  B23Q16/06

CPC classification number: B23Q16/06 ,  B23Q1/68 ,  Y10T74/1453