US2161043A

US2161043A - Distributor

Info

Publication number: US2161043A
Application number: US108432A
Authority: US
Inventors: Ralph M Heintz
Original assignee: Bendix Aviation Corp
Current assignee: Bendix Aviation Corp
Priority date: 1936-10-30
Filing date: 1936-10-30
Publication date: 1939-06-06
Anticipated expiration: 1956-06-06

Description

June 6, 1939. R. M. HEIFLITZ 7 2,161,043

DISTRIBUTOR Filed Oct. 30, 1936 Z-Z'1'g.3. 70 11 j! 3 a2 fig. 2 72 64 76' I 37- a I INVENTOR,

3 RALPH M. HEINTZ.

ATTORNEYS.

' Patented June 6,1939

um'rso s'rA'rss PATENT OFF CE.',

2.101.043 nrs'rnmu'ron Ialph it an... rm

Alto, Calif., assignor, by to Bmdix Aviation Cormesne notation, South Bend. Ind, a corporation of Delaware Application mm; at. 1936.8erlal No. am

3 Claims. (01. 123 -140) a light weight and weatherproof coil anddistributor. Another object is to provide a unitary ignition system, and one in which various elemerits are quickly replaceable.

Other objects of my invention will be apparent or -will be specifically pointed out in the descrip tion forming a part'of this specification, but I do not limit myself to the embodiment of the invention herein described, as various forms may be adopted within the scope of the claims.

v vThe drawing illustrates a preferred embodiment of my invention;

Figure 1 is a side view in elevation of my device as applied to a horizontal, radial type engine.

Figure 2 is a sectional view taken as indicated by the line 2-2 in Figure 1.

Figure3 is a sectional view taken asindicatedby line'H in Figure 2.

Figure 4 is a view partly in section and partly in elevation taken as indicated, by line 4-4 in I Figure 2.

While my distributor assembly isdesigned to' operate in the position shown, it is obvious that it can also be used in other positions.

A distributor shaft i, operated as is customary by timing gears connected to the engine to be ignited is provided with a laminated breaker cam 2' mounted on a breaker sleeve 4' sliding over the shift and maintained in position .by a spring loc I block 6 carrying a radial conducting arm I fastened at the periphery only of the block. A-

breaker casing 8 fastened in any convenient manner to the engine body'supports a molded distributor ring block 8 having an extension ll from which high tension leads llemerge, each of which has connections I! to equally spaced current collectors I. The high tension leads. come out through, but insulated frommetal sleeves l3 to which shielding conduits may be attached to reduce radiiinterference, the sleeves being grounded to casing l. The current collectors l2 are set in .ring block 8 level with but slightly from the peripheral end ofcond'ucting The main novelty of f my invention distributor cover II, which is preferablya cup spinningand which contains the shaped metal- 2 'u' hightension con "u. ILprefer to mold the coil The main object of my invention is to provide Mounted on sleeve 4 is insulated distributor into the cup in solid insulating material l1, bring out therethrough a high tension lead' l9, terminating in'a central contact button-20, which is long enough to contact arm 1 when the cap is in place. Primary leads 2| and 22 are similarly brought out, one'cf which 2| is grounded to the cap and thence to the engine frame through-casing 8 bycontact, and the other 22' being led to a lateral stud 24 which is forced against a spring contact 2! connecting with a connection block lo 26, from which a wire 21 leads to the usual switch and battery, not shown. The cap and coil assembly is held on the casing assembly by .a snap ball 29 hinged to the casing and crossing over the cap to spring into bail notch- 30.

In case a waterproof unit rubber gasket may be advantageously used between the cap and ring block.

The breaker mechanism is-shown in Figure 4. Here thecam 2 rotates against a curved steel anvil 2| which is fastened to an anvil block 32 oscillating on block pin 34. The anvil black cara stationary contact 36 mounted on block 26 and having-an exterior connection 21 cooperating with connection 21 for battery supply and switching purposes. l r The breaker contacts 25 and 26 are maintained normally closed by breakerspring 28.

It can be. readily seen that coils may changed in toto and if dual ignition is used. may be changed during operation of the engine.

I have therefore produced a distributor system completely shielded to reduce radio interference and one in which defective parts may be quickly replaced. I a

My distributor is therefore ideally adapted for use on small engines designed to produce dependable auxiliary power in airplanes, whichpower may be used for the generation of electricity.

Iclaim:' s 1. A metallic encased unitary ignition assembly comprising distributing-means for high tension current, a metallic casing surrormding said distributing means, said casing having an opening exposing contacts-of said distributing means, .and a' metallic cup shaped removable cover for said opening, an ignition coil mounted in said cover and having a terminal supported in the approximate plane of the opening of said cup .and one of said contacts, and at the same time .metal to metal contact between said metallic cover and said metallic casing whereby ries a moving breaker contact cooperating with be quickly shaped cover, said cover when assembled to said casing. effecting contact between said terminal is desired, a soft 2o 3. A metallic encased high tension ignition unit saidcoil and contacts will be completely enclosed V by metal.

r 2. A metallic encased unitary ignition assembly comprising a. circuit breaker and distributing means for high tensior 'current, a metalllc'casing surrounding said breaker and'distributing means, said metallic casing having an opening exposing said breaker and distributing means, and providing a shoulder about said opening, a metallic cup shaped removable cover to fit said opening and having a rim adapted to engage said shoulder to establish electrical and metallic contactbetween said cover and said casing when assembled together, an ignition coil in said cover, and means for establishing electrical connection between said ignition coil and said distributing means and at the same time eifecting said electrical and metallic connection between said metallic coverand said metallic casing.

including a distributor comprising a rotating shaft, breaker means for interrupting a primary a 'high tension rotating connection between said coil and distributing means, a low tension connection between saidcoil and-said breaker, including a; low tension ground connection between 'said coil and said metallic cover, said metallic casing joining with said metallic cover when said cover is in place, and means for bringing out high tension-leads through said' metallic casing.

RALPH M. HEINTZ. 20