User:MichaelFrey/US67659

https://patents.google.com/patent/US67659

Figures:

• Fig. 1 shows a vertical section of the engine
• Fig 2. shows an end elevation of the same
• Fig 3. shows a side elevation, partly in section
• Fig 4. shows a plan, also partly in section
• Fig 5. to 8 show detached elevations and sections of details
• Fig. 7 alternate arrangement
• Fig. 9 alternate arrangement
• Fig. 10 alternate arrangement

Letters

• A: Cast Iron cylinder, closed at bottom by the cover B
• a: wooden rollers
• B: cover
• c: separate casting with two cocks D and E
• D: cock
• D (Fig 9.): revolving valve
• d: leaver
• E: cock
• e: lever
• F: flap-valve
• f: rod
• G: entrance-pipe for the combustible gases
• g: rod
• g (Fig 7.): grooved rings
• H: exit pipe
• h: stud
• i: passage
• J: metal piston
• K: piston rod rack // rod upon which a rack is formed
• k: guide for rod K
• K': forked connecting rod
• L and L': two brackets support the fly-wheel shaft M
• l¹ l²: insulated wires
• M: fly-wheel shaft
• N: Spindle
• O: Fly-wheel
• o: air passage
• P: rim-disk of a clutch apparatus
• p: cock
• Q: ratchet-wheel
• Q (Fig 9.): link
• R: driving pulley
• S¹, S², S³ cams
• T: cam-disk
• T (Fig 7.): movable part of a friction clutch
• T (Fig 9.): bar
• T' (Fig 9.): second bar
• U: spur-wheel
• U': projection boss
• U (Figs 9. and 10): lever or crank
• U' (Fig 9.): second lever
• V: spur-wheel
• v (Fig 9.): lever
• w: cold-water jacket (open at the top)
• w: disengaging catch
• w (Fig 9.): eccentric
• w': spring
• x: pawl
• y pin

keywords:

• hot gases expanding
• "under these conditions the piston performs one up-and-down stroke for every revolution of the crank-shaft, and the engine works with its maximum power."