|
US2970547A
(en)
|
|
Well pumping apparatus of the free piston type
|
|
US1623431A
(en)
|
|
Combined cylinder cock and relief valve
|
|
US4167373A
(en)
|
|
Fuel injection pumping apparatus
|
|
US4394856A
(en)
|
|
Compression operated injector with fuel injection control
|
|
US4317541A
(en)
|
|
Fuel injector-pump unit with hydraulic needle fuel injector
|
|
SU153815A1
(enrdf_load_stackoverflow)
|
|
|
|
CN108167508A
(zh)
|
|
电液阀门紧急关断装置
|
|
US1876735A
(en)
|
|
Hydraulic valve actuating mechanism
|
|
US2456493A
(en)
|
|
Time controlled valve
|
|
US2707378A
(en)
|
|
Excess flow valve
|
|
US2918015A
(en)
|
|
Free piston pumping device for gas wells and oil wells
|
|
US4467963A
(en)
|
|
Single dump single solenoid fuel injector
|
|
US2426639A
(en)
|
|
Pressure regulator for pumps
|
|
ES344216A1
(es)
|
|
Perfeccionamientos en conjuntos de bombas multiples.
|
|
US1850926A
(en)
|
|
Pump for injecting liquid fuel into internal combustion engines
|
|
US2849963A
(en)
|
|
Gas or pneumatically actuated deep well pump
|
|
US1608589A
(en)
|
|
Pump-controlling means
|
|
SU31356A1
(ru)
|
|
Контрольный механизм к пневматическому насосу дл глубоких колодцев
|
|
US1921219A
(en)
|
|
Force-feed lubrication pump
|
|
US4060347A
(en)
|
|
Liquid fuel pumping apparatus
|
|
US1575851A
(en)
|
|
Means for controlling the admission of water to tanks
|
|
SU518573A1
(ru)
|
|
Клапан нагружени дл гидропривода
|
|
US1456946A
(en)
|
|
Automatic steam-stop valve
|
|
SU1596166A1
(ru)
|
|
Запорный клапан
|
|
SU211251A1
(ru)
|
|
Предохранительное устройство для прекращения подачи газа в емкость при аварийном повышении
|