Cryogenic expansion machine
- Woodridge, IL
- Palos Park, IL
A cryogenic expansion engine includes intake and exhaust poppet valves each controlled by a cam having adjustable dwell, the valve seats for the valves being threaded inserts in the valve block. Each cam includes a cam base and a ring-shaped cam insert disposed at an exterior corner of the cam base, the cam base and cam insert being generally circular but including an enlarged cam dwell, the circumferential configuration of the cam base and cam dwell being identical, the cam insert being rotatable with respect to the cam base. GI CONTRACTUAL ORIGIN OF THE INVENTION The invention described herein was made in the course of, or under, a contract with the UNITED STATES ENERGY RESEARCH AND DEVELOPMENT ADMINISTRATION.
- Assignee:
- United States of America as represented by United States (Washington, DC)
- Patent Number(s):
- US 4087988
- OSTI ID:
- 863073
- Country of Publication:
- United States
- Language:
- English
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Cryogenic expansion machine. [Patent application]
Multiple concentric intake/exhaust valve system for an internal combustion engine
Related Subjects
adjustable
administration
base
block
circular
circumferential
configuration
contract
contractual
controlled
corner
course
cryogenic
cryogenic expansion
described
disposed
dwell
energy
engine
enlarged
exhaust
expansion
expansion engine
exterior
identical
including
insert
inserts
intake
machine
origin
poppet
respect
ring-shaped
rotatable
seats
threaded
threaded insert
united
valve
valve block
valve seat
valve seats
valves