4. Internal-combustion engines
  5. Poppet valve operating mechanism
  6. Pneumatic system

Frederick L. ERickson

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Actuator with energy recovery return

Internal-combustion engines – Poppet valve operating mechanism – Pneumatic system
Patent

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Air powered valve actuator

Internal-combustion engines – Poppet valve operating mechanism – Hydraulic system
Patent

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Cam actuated valve assembly with hydraulic spring

Valves and valve actuation – Fluid actuated or retarded – Dashpot or fluid controlled retarder or timer
Patent

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Compact valve actuator

Internal-combustion engines – Poppet valve operating mechanism – Pneumatic system
Patent

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Dual-expansion internal combustion cycle and engine

Internal-combustion engines – Oscillating cylinder
Patent

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Profile ID: LFUS-PAI-P-36338

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