# US 7,406,780 B2 · Laundry dryer air guide pressure/friction altering feature > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,406,780 B2 - Document ID: US7406780B2 - Status: Granted - Kind: B2 - Application number: 11/471,590 - Filed: 2006-06-21 - Published: 2006-10-26 - Granted: 2008-08-05 - Earliest claimed: 2003-12-19 - Assignees: LG Electronics Inc. - Inventors: Young Jin Doh; Soon Jo Lee; Young Hwan Park; Jun Seok Lee; Kyung Seop Hong; Soo Won Park; Hwan Joo Myung - Web page: https://patentgrep.com/patent/US7406780B2 ## CPC - D06F 58/04: Details (controlling or regulating devices D06F34/00) - D06F: LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES ## Abstract There is provided an air inlet structure of a laundry dryer. In the air inlet structure, a base defines an air inlet, a front cabinet is disposed in front of the base and defines a suction hole to pass ambient air into the base, a cooling fan is stably disposed in the base to suck the ambient air, a blower tube forms a flow passage for the ambient air, a blower cover is fixed to the base to connect the blower tube and the cooling fan, and an air guide is disposed between the base and the blower cover, the air guide having a shroud at a center portion. ## Claims ### Claim 1 An air inlet structure of a laundry dryer for drawing air into the dryer, comprising: a laundry dryer blower cover including an extended portion bent and extended by a predetermined length from an end thereof, a cover fixing tab protruded upwardly by a predetermined length from the other end thereof, and at least one guide protrusion projected from a bottom surface of the extended portion; a laundry dryer base on which the blower cover is mounted, the base including an air inlet and a tab keeper to hold the cover fixing tab; a cooling fan stably disposed between the base and the blower cover, for drawing ambient air into the laundry dryer; an air guide for altering pressure characteristics of ambient air drawn into the dryer disposed between the base and the blower cover; and a motor for driving the cooling fan. ### Claim 2 (depends on 1) The air inlet structure according to claim 1, wherein the blower cover further includes a shaft receiving hole at a predetermined portion, for supporting a shaft of the motor. ### Claim 3 (depends on 1) The air inlet structure according to claim 1, wherein the cover fixing tab is inserted in the tab keeper, the extended portion is stably seated on the base, and the extended portion is securely fixed to the base with a coupling member, such that the blower cover is mounted on the base. ### Claim 4 (depends on 1) The air inlet structure according to claim 1, wherein the air guide is put on the base and the blower cover enclose the air guide, such that the air guide is disposed between the base and the blower cover. ### Claim 5 (depends on 1) The air inlet structure according to claim 1, further comprising a blower tube to connect an air inlet of the base and the blower cover, wherein the blower cover further includes a rubber sealing member along an inner surface abutting on the blower cover to prevent the sucked ambient air from leakage. ### Claim 6 (depends on 1) The air inlet structure according to claim 1, wherein the cooling fan is disposed behind the air guide to suck the ambient air through the air guide. ### Claim 7 (depends on 1) The air inlet structure according to claim 1, wherein the cooling fan is a cross flow fan. ### Claim 8 (depends on 1) The air inlet structure according to claim 1, wherein the base includes a fan mounting recess. ### Claim 9 (depends on 1) The air inlet structure according to claim 1, wherein the blower cover further includes a bent portion bent downwardly from the extended portion, the extended portion and the bent portion of the blower cover being tightly brought into contact with the base when the blower cover is mounted on the base in order to prevent the base from moving on the base. ### Claim 10 (depends on 1) The air inlet structure according to claim 1, wherein the blower cover further includes at least one guide protrusion projected from a bottom surface, and the base further includes at least one guide protrusion pocket for receiving the at least one guide protrusion. ### Claim 11 (depends on 1) The air inlet structure according to claim 1, wherein the blower cover further includes a rib along an inner surface to support the air guide, and/or the base further includes a rib along an inner surface to support the air guide. ### Claim 12 (depends on 1) The air inlet structure according to claim 1, wherein the air guide includes a shroud at a center portion, the shroud being bent and extended toward the cooling fan. ### Claim 13 (depends on 1) The air inlet structure of claim 1, wherein the base is a unitary structure. ### Claim 14 An air inlet structure of a laundry dryer for drawing air into the dryer, comprising: a laundry dryer blower cover including an extended portion bent and extended by a predetermined length from an end thereof, a cover fixing tab protruded upwardly by a predetermined length from the other end thereof, and at least one guide protrusion projected from a bottom surface of the extended portion; a laundry dryer base on which the blower cover is mounted, the base including an air inlet and a tab keeper to hold the cover fixing tab; a cooling fan stably disposed between the base and the blower cover, for drawing ambient air into the laundry dryer; an air guide for altering flow friction characteristics of ambient air drawn into the dryer disposed between the base and the blower cover; and a motor for driving the cooling fan.