# US 2021/0281141 A1 · Cooling enclosure and motor > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0281141 A1 - Document ID: US20210281141A1 - Status: Published application - Kind: A1 - Application number: 16/615,325 - Filed: 2017-05-27 - Published: 2021-09-09 - Earliest claimed: 2017-05-27 - Assignees: Siemens Aktiengesellschaft - Applicants: Siemens Aktiengesellschaft - Inventors: Wei ZHANG - Web page: https://patentgrep.com/patent/US20210281141A1 ## CPC - H02K 5/20: with channels or ducts for flow of cooling medium - H02K 9/04: having means for generating a flow of cooling medium - H02K 9/06: with fans or impellers driven by the machine shaft - H02K 9/18: wherein the external part of the closed circuit comprises a heat exchanger structurally associated with the machine casing - H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53}) ## Abstract A motor includes a cooling enclosure. The cooling enclosure includes a cover body, an inner fan, and an outer fan. A first cooling cavity, a second cooling cavity, and an isolating cavity between the first cooling cavity and the second cooling cavity are formed in the cover body. A plurality of first and second cooling pipes are respectively disposed in the first and second cooling cavity; both being in communication with the isolating cavity and the outside. The cover body includes a first surface and an opposite second surface. The inner fan is disposed on the first surface. Sides of the inner fan are respectively in communication with the first and second cooling cavities. The inner fan is configured to provide circulating power for internal circulating air. The outer fan is in communication with the isolating cavity. The cooling enclosure and the motor can realize relatively high cooling efficiency. ## Claims ### Claim 1 A cooling enclosure, comprising: a cover body, the cover body internally including a first cooling cavity, a plurality of first cooling pipes being disposed in the first cooling cavity, a second cooling cavity, a plurality of second cooling pipes being disposed in the second cooling cavity, and an isolating cavity, located between the first cooling cavity and the second cooling cavity, the first cooling pipes and the second cooling pipes both being in communication with the isolating cavity and outside the cooling enclosure, the cover body further including a first surface, and a second surface, the second surface being opposite to the first surface, and configured to be mounted on a housing of a motor; an inner fan, disposed on the first surface, one side of the inner fan being in communication with the first cooling cavity and another side of the inner fan being in communication with the second cooling cavity, the inner fan being configured to provide circulating power for internal circulating air; and an outer fan, disposed on the first surface, located on the isolating cavity and in communication with the isolating cavity. ### Claim 2 (depends on 1) The cooling enclosure of claim 1, further comprising: an inner air path guide air cylinder, located on the first surface, the inner fan being located on the second cooling cavity and the inner air path guide air cylinder being configured to communicate the first cooling cavity with the inner fan. ### Claim 3 (depends on 1) The cooling enclosure of claim 1, wherein the cover body further internally includes: a first partition plate; and a second partition plate, the first partition plate and the second partition plate being spaced to form the isolating cavity. ### Claim 4 (depends on 3) The cooling enclosure of claim 3, wherein the cover body further comprises: a first enclosure net, the first cooling pipes being connected between the first enclosure net and the first partition plate; and a second enclosure net, disposed opposite to the first enclosure net, the second cooling pipes being connected between the second enclosure net and the second partition plate. ### Claim 5 (depends on 1) The cooling enclosure of claim 1, wherein the inner fan and the outer fan are centrifugal fans. ### Claim 6 (depends on 1) A motor, comprising the cooling enclosure of claim 1. ### Claim 7 (depends on 6) The motor of claim 6, further comprising: a housing, wherein the cooling enclosure is disposed on the housing and the second surface faces the housing. ### Claim 8 (depends on 7) The motor of claim 7, wherein the second surface is provided with a first air vent and a second air vent, the first air vent being in communication with the first cooling cavity and the housing, and the second air vent being in communication with the second cooling cavity and the housing. ### Claim 9 (depends on 7) The motor of claim 7, wherein the length of the cover body is equal to or slightly greater than the length of the housing. ### Claim 10 (depends on 8) The motor of claim 8, wherein the motor includes a driving end and a non-driving end, the non-driving end being opposite to the driving end, the first cooling cavity being located on the driving end, and the second cooling cavity being located on the non-driving end. ### Claim 11 (depends on 2) The cooling enclosure of claim 2, wherein the cover body further internally includes: a first partition plate; and a second partition plate, the first partition plate and the second partition plate being spaced to form the isolating cavity. ### Claim 12 (depends on 11) The cooling enclosure of claim 11, wherein the cover body further comprises: a first enclosure net, the first cooling pipes being connected between the first enclosure net and the first partition plate; and a second enclosure net, disposed opposite to the first enclosure net, the second cooling pipes being connected between the second enclosure net and the second partition plate. ### Claim 13 (depends on 2) The cooling enclosure of claim 2, wherein the inner fan and the outer fan are centrifugal fans. ### Claim 14 (depends on 2) A motor, comprising the cooling enclosure of claim 2. ### Claim 15 (depends on 3) A motor, comprising the cooling enclosure of claim 3. ### Claim 16 (depends on 4) A motor, comprising the cooling enclosure of claim 4. ### Claim 17 (depends on 5) A motor, comprising the cooling enclosure of claim 5. ### Claim 18 (depends on 2) The motor of claim 2, further comprising: a housing, wherein the cooling enclosure is disposed on the housing and the second surface faces the housing. ### Claim 19 (depends on 3) The motor of claim 3, further comprising: a housing, wherein the cooling enclosure is disposed on the housing and the second surface faces the housing.