High-voltage switches with arc preventing or extinguishing devices > Patents

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Class Information
Number: 218
Name: High-voltage switches with arc preventing or extinguishing devices >
Description:

Class Number	Class Name	No. of Patents
218/1	Arc preventing or extinguishing devices	85
218/43	Air-current blowout	120
218/81	Arc chute	14
218/85	Arc extinguishing medium	23
218/46	Arcing chamber	25
218/47	Plural chambers	7
218/48	Contact structure	46
218/49	Fixed	4
218/50	Movable	6
218/88	Control of blast valve and contacts	4
218/45	Disconnect switch	28
218/55	Grounding switch	15
218/82	Identical units back-to-back	17
218/86	Low pressure cut-off valve means	5
218/87	Magnetic synchronous contacts	1
218/84	Operating mechanism structure or arrangement	126
218/44	Polyphase	22
218/57	Puffer piston	79
218/65	Contact structure	62
218/67	Disconnect switch	17
218/58	Polyphase	6
218/66	Valve (e.g., blast valve or pressure relief valve)	52
218/59	With gas blast means	99
218/61	Compressing cylinder structure	22
218/62	With nozzle	62
218/60	Piston structure	39
218/63	With nozzle	45
218/64	With throat region	14
218/83	Recirculating systems	17
218/68	Sealed chamber	52
218/76	Arcing chamber	12
218/75	Busbar	19
218/74	Contact structure	16
218/80	Disconnect switch	32
218/79	Grounding switch	38
218/78	Operating mechanism structure or arrangement	53
218/69	Plural switch connected in series	3
218/70	Hybrid-type	8
218/71	Polyphase	16
218/77	Shielding	7
218/72	With nozzle	7
218/73	With throat region	1
218/56	Self extinguishing	11
218/51	With gas flow means	41
218/52	Exhaust port	6
218/53	With nozzle	28
218/54	With throat region	9
218/149	Arc chute assembly	99
218/150	Material	52
218/151	Metal plates structure	33
218/148	Arc runner (e.g., arc horn)	43
218/8	Auxiliary shunt	16
218/15	Arc chute assembly	18
218/16	Contact structure	19
218/17	Movable contact assembly	6
218/18	Arcing contact	10
218/20	Movable contact assembly pivots	14
218/21	Arcing contact pivots relative to movable main contact assembly	3
218/19	Movable contact assembly reciprocates	10
218/12	Disconnect switch	37
218/13	Gas type	11
218/14	Operating mechanism structure or arrangement	42
218/9	Polyphase	8
218/11	Tubular shaped	6
218/10	Vacuum switch	17
218/146	Contact structure	74
218/147	Arc shielding means	33
218/155	Housing structure	103
218/156	Arcing chamber	75
218/158	Arc extinguishing material	32
218/157	With venting means	70
218/89	Interposed non-conductor	21
218/90	Gas-evolving chamber	47
218/91	Liquid	13
218/103	Arcing chamber	2
218/105	Grid or baffle stack	8
218/104	Including magnet or coil	0
218/106	With venting means	4
218/110	Bridging contacts	1
218/107	Contact structure	7
218/108	Movable	1
218/100	Disconnect switch	3
218/111	Explosion pot	2
218/97	Housing or tank structure	5
218/98	With raising and lowering means	3
218/99	With venting means	4
218/112	Oil poor breaker	5
218/92	Operating mechanism structure or arrangement	10
218/95	Chemical explosive primer	6
218/94	Delay means (e.g., dashpot)	2
218/93	Piston	4
218/96	With oil flow feature	0
218/101	Polyphase	2
218/114	Pressure generating arc control means	5
218/115	Plural series connected	3
218/116	Puffer-piston	6
218/113	Rotary contact	9
218/109	Valve (e.g., spring biased valve plate)	2
218/102	With resistor	1
218/117	Solid	43
218/22	Magnetic blowout	117
218/34	Arc chute	52
218/36	Arc runner (e.g., arc horn)	30
218/37	Insulated conductor structure	7
218/38	Arc splitting means	22
218/39	Skew, parallel, or vertical position	1
218/35	With vent means	17
218/40	Arc runner (e.g., arc horn)	27
218/29	Arc spinner	22
218/41	Barrier	7
218/30	Contact structure	38
218/31	Bridging contacts	14
218/32	Pivot	41
218/33	Reverse looped or flexible stationary contact	11
218/23	Permanent magnet	28
218/27	Connected to contact	14
218/26	Located inside switch housing	43
218/25	Located outside switch housing	3
218/24	Magnetic yoke structure	6
218/28	Plural coils	6
218/42	Within vacuum	3
218/2	Multiple break	25
218/3	Hybrid-type	27
218/7	Operating mechanism structure or arrangement	56
218/6	Sequential break	15
218/4	Series connected break	25
218/5	Simultaneous break	13
218/154	Operating mechanism structure or arrangement	197
218/152	Polyphase	27
218/153	Operating mechanism structure or arrangement	40
218/143	Resistance inserting	100
218/144	With capacitor	14
218/118	Vacuum	115
218/139	Housing structure	51
218/140	Operating mechanism structure or arrangement	86
218/119	Polyphase	25
218/120	Operating mechanism structure or arrangement	68
218/121	Single-pole	24
218/123	Contact structure	102
218/126	Auxiliary	20
218/125	Fixed	8
218/124	Movable	8
218/127	Significant shape	51
218/129	Coil	49
218/128	Slotted or grooved	62
218/130	Specific material	72
218/132	Alloy	30
218/133	Beryllium	5
218/131	Getter	6
218/134	Housing structure	57
218/135	Bellows	36
218/138	Potted or encapsulated	27
218/136	Shielding	58
218/137	With support	11
218/122	Pressure monitoring means	17
218/141	With magnetic coil	17
218/142	Located inside housing	10
218/145	With capacitor	13