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Hand-Held Cup Anemometer with Folding Cups: Simerl, 1978
R. A. Simerl (US Patent 4,102,188) · Public domain (expired patent)
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Hand-Held Cup Anemometer with Folding Cups: Simerl, 1978

R. A. Simerl of Annapolis, Maryland, patented this hand-held wind meter in 1978, US 4,102,188. A cylindrical casing small enough to hold in the hand carries a spindle with three light plastic cups on radial arms. The wind spins the cups, and the spindle's rotation is read as wind speed on a calibrated gauge behind a window in the casing. Earlier cup anemometers had their arms fixed to the spindle; here each arm is hinged to a link in a sliding cap, so pushing the cap up folds all three cups upright and parallel to the spindle for storage.
Kati
Workshop process

Maagizo

1

Casing and spindle

Journal a metal spindle vertically in the casing (aluminium or plastic), projecting through a central opening in its top. Inside, conventional electronic apparatus monitors the spindle's rotation and turns a calibrated gauge behind an arcuate window. Cut two annular grooves near the spindle's upper end and thread its tip.

Vifaa kwa hatua hii:

Kasha la mkononi la kipima upepo lenye dirisha la gejiKasha la mkononi la kipima upepo lenye dirisha la geji1 kipande
Spindo ya kipima upepo yenye miferejiSpindo ya kipima upepo yenye mifereji1 kipande
Kipimo cha mzunguko wa shafti na geji ya upepoKipimo cha mzunguko wa shafti na geji ya upepo1 kipande

Zana zinazohitajika:

Kereza ya ChumaKereza ya Chuma
Seti ya bisibisiSeti ya bisibisi
2

Spider cap

Make the cap in two plastic parts: a top with three vertical slots in its side wall and pins on its rim, and a bottom with a tubular hub split by four slots and ending in an inturned rib. Fix a spider plate on the spindle's reduced upper end inside the top, slide the hub over the spindle, mate the pins with recesses in the bottom's rim, and fit a lock nut on the threaded tip.

Vifaa kwa hatua hii:

Kifuniko cha nyota cha sehemu mbili chenye kitovu chenye mipasuoKifuniko cha nyota cha sehemu mbili chenye kitovu chenye mipasuo1 kipande
Bamba la nyotaBamba la nyota1 kipande
Nati ya kufungashaNati ya kufungasha1 kipande

Zana zinazohitajika:

Mashine ya kufinyanga kwa kudungaMashine ya kufinyanga kwa kudunga
Koleo la Matumizi MengiKoleo la Matumizi Mengi
3

Cup arms

Make three plastic arms with a wind cup on each outer end. Pass their inner ends through the slots and pivot each to the lower end of a link, itself pivoted in its slot and running up at about 45° to a pivot on the spider plate.

Vifaa kwa hatua hii:

Mikono ya vikombe ya plastiki yenye viungo vya egemeoMikono ya vikombe ya plastiki yenye viungo vya egemeo3 vipande

Zana zinazohitajika:

Mashine ya kufinyanga kwa kudungaMashine ya kufinyanga kwa kudunga
Seti ya koleo ndogo za usahihiSeti ya koleo ndogo za usahihi
4

Fold and open

With the hub's rib in the lower groove, the arms stand horizontal and the cups turn in the wind. Push the cap top up: the flexing hub's rib cams out and snaps into the upper groove, and the links swing the arms up to stand parallel to the spindle. Press it down to open them again.

Vifaa

7

Zana Zinazohitajika

5

Mchoro huu unatengeneza

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Robinson Cup Anemometer

Robinson Cup Anemometer

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MAZINGIRA

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