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1
US10239007B2
Publication/Patent Number: US10239007B2
Publication date: 2019-03-26
Application number: 15/197,018
Filing date: 2016-06-29
Abstract: An air filter assembly having a primary filter element, a secondary filter element, and a housing with an outlet tube is disclosed. The primary filter element is operably installed within the housing and has an interior volume. The secondary filter element is operably installed within the primary filter element interior volume and has an interior volume defined by a first wall extending between a closed end cap and an opposite open end cap. The open end cap of the secondary filter element defines a sealing structure having a first portion extending into the secondary filter interior volume. The outlet tube is operably connected to the housing air outlet opening and includes an inset collar being at least partially disposed within the secondary filter interior volume and extending over at least a part of the sealing structure first portion. An air filter assembly having a primary filter element, a secondary filter element, and a housing with an outlet tube is disclosed. The primary filter element is operably installed within the housing and has an interior volume. The secondary filter element is operably installed ...more ...less
2
EP3525042A1
Publication/Patent Number: EP3525042A1
Publication date: 2019-08-14
Application number: 19155672.9
Filing date: 2019-02-06
Abstract: An electrophotographic photosensitive member including: a support, an undercoat layer formed above the support, a charge generation layer formed on the undercoat layer, and a charge transport layer formed above the charge generation layer, wherein the undercoat layer contains a polyamide resin and a titanium oxide particle which is surface-treated with a compound represented by Formula (1), when a volume of the titanium oxide particles to a volume of the polyamide resin in the undercoat layer is a, and an average primary particle diameter of the titanium oxide particles is b [µm], the following Equation (A) is satisfied: Equation (A): 14.0 ≤ a/b ≤ 19.1; and the charge generation layer contains a charge generating material and a thermoplastic resin having a hydroxyl group and a hydroxyl number of 50 mgKOH/g or more. An electrophotographic photosensitive member including: a support, an undercoat layer formed above the support, a charge generation layer formed on the undercoat layer, and a charge transport layer formed above the charge generation layer, wherein the undercoat layer contains a ...more ...less
3
EP2773441B1
Publication/Patent Number: EP2773441B1
Publication date: 2019-10-16
Application number: 12780382.3
Filing date: 2012-10-22
4
US2019243260A1
Publication/Patent Number: US2019243260A1
Publication date: 2019-08-08
Application number: 16/269,304
Filing date: 2019-02-06
Abstract: An electrophotographic photosensitive member including: a support, an undercoat layer formed above the support, a charge generation layer formed on the undercoat layer, and a charge transport layer formed above the charge generation layer, wherein the undercoat layer contains a polyamide resin and a titanium oxide particle which is surface-treated with a compound represented by Formula (1): when a volume of the titanium oxide particles to a volume of the polyamide resin in the undercoat layer is a, and an average primary particle diameter of the titanium oxide particles is b [μm], the following Equation (A) is satisfied: Equation (A): 14.0≤a/b≤19.1; and the charge generation layer contains a charge generating material and a thermoplastic resin having a hydroxyl group and a hydroxyl number of 50 mgKOH/g or more. An electrophotographic photosensitive member including: a support, an undercoat layer formed above the support, a charge generation layer formed on the undercoat layer, and a charge transport layer formed above the charge generation layer, wherein the undercoat layer contains a ...more ...less
5
US10209637B2
Publication/Patent Number: US10209637B2
Publication date: 2019-02-19
Application number: 15/663,421
Filing date: 2017-07-28
Abstract: An electrophotographic photosensitive member includes a support, a charge generating layer containing a charge generation material, and a charge transporting layer containing a charge transport material in this order, the charge transporting layer serving as a surface layer. The charge transporting layer contains a polycarbonate resin having a particular structural unit. An electrophotographic photosensitive member includes a support, a charge generating layer containing a charge generation material, and a charge transporting layer containing a charge transport material in this order, the charge transporting layer serving as a surface layer. The ...more ...less
6
US10416581B2
Publication/Patent Number: US10416581B2
Publication date: 2019-09-17
Application number: 15/667,715
Filing date: 2017-08-03
Abstract: An electrophotographic photosensitive member with suppressed potential variation even in the case that a protective layer including a cured material of a composition having a polymerizable functional group is used is provided. An electrophotographic photosensitive member including a support, a charge generation layer, a charge transport layer containing a charge transporting material, and a protective layer, in the order presented, wherein the charge transport layer contains a polycarbonate resin having a structure selected from a group A and a structure selected from a group B, and the protective layer includes a cured material of a composition containing a compound having at least a functional group selected from chain-polymerizable functional groups and sequential polymerizable functional groups. An electrophotographic photosensitive member with suppressed potential variation even in the case that a protective layer including a cured material of a composition having a polymerizable functional group is used is provided. An electrophotographic photosensitive member ...more ...less
7
US2019121251A1
Publication/Patent Number: US2019121251A1
Publication date: 2019-04-25
Application number: 16/230,617
Filing date: 2018-12-21
Abstract: An electrophotographic photosensitive member includes a support, a charge generating layer containing a charge generation material, and a charge transporting layer containing a charge transport material in this order, the charge transporting layer serving as a surface layer. The charge transporting layer contains a polycarbonate resin having a particular structural unit. An electrophotographic photosensitive member includes a support, a charge generating layer containing a charge generation material, and a charge transporting layer containing a charge transport material in this order, the charge transporting layer serving as a surface layer. The ...more ...less
8
US10080988B2
Publication/Patent Number: US10080988B2
Publication date: 2018-09-25
Application number: 14/355,298
Filing date: 2012-10-22
Abstract: An air filter assembly having a primary filter element, a secondary filter element, and a housing with an outlet tube is disclosed. The primary filter element is operably installed within the housing and has an interior volume. The secondary filter element is operably installed within the primary filter element interior volume and has an interior volume defined by a first wall extending between a closed end cap and an opposite open end cap. The open end cap of the secondary filter element defines a sealing structure having a first portion extending into the secondary filter interior volume. The outlet tube is operably connected to the housing air outlet opening and includes an inset collar being at least partially disposed within the secondary filter interior volume and extending over at least a part of the sealing structure first portion. An air filter assembly having a primary filter element, a secondary filter element, and a housing with an outlet tube is disclosed. The primary filter element is operably installed within the housing and has an interior volume. The secondary filter element is operably installed ...more ...less
9
US9857704B2
Publication/Patent Number: US9857704B2
Publication date: 2018-01-02
Application number: 14/832,720
Filing date: 2015-08-21
Abstract: A process cartridge includes an electrophotographic photosensitive member and a gap retaining member, where the electrophotographic photosensitive member includes a first region having an undercoat layer, a charge generating layer, and a charge transporting layer on a support in this order and a second region having an undercoat layer and a charge transporting layer on a support in this order, the undercoat layer contains a metal oxide particle and any one of an urethane resin, an amino resin, and a polyamide resin as a binder resin, and the charge transporting layer contains a charge transporting substance and at least one selected from the group consisting of a polycarbonate resin and a polyester resin, and where the gap retaining member comes into contact with a surface of the second region of the electrophotographic photosensitive member. A process cartridge includes an electrophotographic photosensitive member and a gap retaining member, where the electrophotographic photosensitive member includes a first region having an undercoat layer, a charge generating layer, and a charge transporting layer on a support in ...more ...less
10
US2018059558A1
Publication/Patent Number: US2018059558A1
Publication date: 2018-03-01
Application number: 15/667,715
Filing date: 2017-08-03
Abstract: An electrophotographic photosensitive member with suppressed potential variation even in the case that a protective layer including a cured material of a composition having a polymerizable functional group is used is provided. An electrophotographic photosensitive member including a support, a charge generation layer, a charge transport layer containing a charge transporting material, and a protective layer, in the order presented, wherein the charge transport layer contains a polycarbonate resin having a structure selected from a group A and a structure selected from a group B, and the protective layer includes a cured material of a composition containing a compound having at least a functional group selected from chain-polymerizable functional groups and sequential polymerizable functional groups. An electrophotographic photosensitive member with suppressed potential variation even in the case that a protective layer including a cured material of a composition having a polymerizable functional group is used is provided. An electrophotographic photosensitive member ...more ...less
11
US2018031985A1
Publication/Patent Number: US2018031985A1
Publication date: 2018-02-01
Application number: 15/663,421
Filing date: 2017-07-28
Abstract: An electrophotographic photosensitive member includes a support, a charge generating layer containing a charge generation material, and a charge transporting layer containing a charge transport material in this order, the charge transporting layer serving as a surface layer. The charge transporting layer contains a polycarbonate resin having a particular structural unit. An electrophotographic photosensitive member includes a support, a charge generating layer containing a charge generation material, and a charge transporting layer containing a charge transport material in this order, the charge transporting layer serving as a surface layer. The ...more ...less
12
JP2018025780A
Publication/Patent Number: JP2018025780A
Publication date: 2018-02-15
Application number: 2017144953
Filing date: 2017-07-26
Assignee: CANON INC
Abstract: PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor that is excellent in durability and has sufficient performance of an electrophotographic photoreceptor.SOLUTION: An electrophotographic photoreceptor includes a substrate, a charge generating layer containing a charge generating material, and a charge transport layer containing a charge transport material in this order, and the charge transport layer is a surface layer. The charge transport layer contains a polycarbonate resin having a specific structural unit.SELECTED DRAWING: None PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor that is excellent in durability and has sufficient performance of an electrophotographic photoreceptor.SOLUTION: An electrophotographic photoreceptor includes a substrate, a charge generating layer containing ...more ...less
13
DE102017117241A1
Publication/Patent Number: DE102017117241A1
Publication date: 2018-02-01
Application number: 102017117241
Filing date: 2017-07-31
Abstract: Ein elektrophotographisches photosensitives Element beinhaltet einen Träger
14
JP2018036630A
Publication/Patent Number: JP2018036630A
Publication date: 2018-03-08
Application number: 2017158076
Filing date: 2017-08-18
Assignee: CANON INC
Abstract: PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which suppresses fluctuation in potential even when a protective layer formed of a cured product of a composition having a polymerizable functional group is used.SOLUTION: An electrophotographic photoreceptor has a support, a charge generating layer, a charge transport layer containing a charge transport substance and a protective layer in this order, where the charge transport layer contains a polycarbonate resin having a structure selected from group A and a structure selected from group B, and the protective layer is formed of a cured product of a composition containing a compound having at least one polymerizable functional group selected from a chain polymerizable functional group and a sequential polymerizable functional group.SELECTED DRAWING: None PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which suppresses fluctuation in potential even when a protective layer formed of a cured product of a composition having a polymerizable functional group is used.SOLUTION: An electrophotographic photoreceptor ...more ...less
15
CN107678254A
Publication/Patent Number: CN107678254A
Publication date: 2018-02-09
Application number: 201710637340
Filing date: 2017-07-31
Abstract: The invention provides an electrophotographic photosensitive member, a process cartridge, and an electrophotographic apparatus. The electrophotographic photosensitive member includes a support, a charge generating layer containing a charge generation material, and a charge transporting layer containing a charge transport material in this order, the charge transporting layer serving as a surface layer. The charge transporting layer contains a polycarbonate resin having a particular structural unit. The invention provides an electrophotographic photosensitive member, a process cartridge, and an electrophotographic apparatus. The electrophotographic photosensitive member includes a support, a charge generating layer containing a charge generation material, and a charge ...more ...less
16
US201859558A1
Publication/Patent Number: US201859558A1
Publication date: 2018-03-01
Application number: 20/171,566
Filing date: 2017-08-03
Abstract: An electrophotographic photosensitive member with suppressed potential variation even in the case that a protective layer including a cured material of a composition having a polymerizable functional group is used is provided. An electrophotographic photosensitive member including a support, a charge generation layer, a charge transport layer containing a charge transporting material, and a protective layer, in the order presented, wherein the charge transport layer contains a polycarbonate resin having a structure selected from a group A and a structure selected from a group B, and the protective layer includes a cured material of a composition containing a compound having at least a functional group selected from chain-polymerizable functional groups and sequential polymerizable functional groups. An electrophotographic photosensitive member with suppressed potential variation even in the case that a protective layer including a cured material of a composition having a polymerizable functional group is used is provided. An electrophotographic photosensitive member ...more ...less
17
EP2738612B1
Publication/Patent Number: EP2738612B1
Publication date: 2018-07-11
Application number: 13190004.5
Filing date: 2013-10-24
Abstract: An electrophotographic photosensitive member (1) includes a support (101), an undercoat layer (102) formed on the support, and a photosensitive layer (103, 104, 105) formed on the undercoat layer. The undercoat layer is an electron transporting layer and contains a metal salt of organic acid having at least one metal element selected from Fe, Co, Ni, Cu, and Zn. An electrophotographic photosensitive member (1) includes a support (101), an undercoat layer (102) formed on the support, and a photosensitive layer (103, 104, 105) formed on the undercoat layer. The undercoat layer is an electron transporting layer and contains a metal salt of ...more ...less
18
EP3062153B1
Publication/Patent Number: EP3062153B1
Publication date: 2018-09-26
Application number: 16156831.6
Filing date: 2016-02-23
Abstract: An electrophotographic photosensitive member (1) has a support, a charge generation layer, and a charge transport layer in this order, the charge transport layer containing a charge transport material. The charge transport layer is a surface layer of the electrophotographic photosensitive member and contains a polycarbonate resin having a structural unit selected from group A and a structural unit selected from group B (groups A and B defined in the disclosure). An electrophotographic photosensitive member (1) has a support, a charge generation layer, and a charge transport layer in this order, the charge transport layer containing a charge transport material. The charge transport layer is a surface layer of the electrophotographic ...more ...less
19
US9864284B2
Publication/Patent Number: US9864284B2
Publication date: 2018-01-09
Application number: 15/054,009
Filing date: 2016-02-25
Abstract: An electrophotographic photosensitive member has a support, a charge generation layer, and a charge transport layer in this order, the charge transport layer containing a charge transport material. The charge transport layer is a surface layer of the electrophotographic photosensitive member and contains a polycarbonate resin having a structural unit selected from group A and a structural unit selected from group B. An electrophotographic photosensitive member has a support, a charge generation layer, and a charge transport layer in this order, the charge transport layer containing a charge transport material. The charge transport layer is a surface layer of the electrophotographic ...more ...less
20
JP2017225060A
Publication/Patent Number: JP2017225060A
Publication date: 2017-12-21
Application number: 2016120442
Filing date: 2016-06-17
Inventor: Ito, Yota  
Assignee: NEC CORP
Abstract: 【課題】光分岐器、光透過フィルタ、光電変換素子を用いる構成を採用した、簡便かつ実装容易な周波数ずれ検出器を提供する。また、光信号の周波数を所望の周波数に維持し、信号品質の劣化を抑制できる光信号周波数制御装置を提供する。さらに、変調式の光伝送装置においても、簡便な構成の周波数ずれ検出器を提供する。【解決手段】本発明にかかる周波数ずれ検出器100は、光信号を受け付ける入力部16と、光信号を分岐する光分岐器10と、予め定められた周波数から高周波側及び低周波側にそれぞれ所定の周波数偏移した範囲の帯域を透過するように設定された光フィルタ11及び光フィルタ12と、それぞれ透過した光信号を電気信号に変換する光電変換素子13及び光電変換素子14と、変換されたそれぞれの電気信号の強度差に応じて受け付けた光信号の周波数ずれを検出し、周波数ずれに関する情報を出力する。【選択図】図1 【課題】光分岐器、光透過フィルタ、光電変換素子を用いる構成を採用した、簡便かつ実装容易な周波数ずれ検出器を提供する。また、光信号の周波数を所望の周波数に維持し、信号品質の劣化を抑制できる光信号周波数制御装置を提供する。さらに、変調式の光伝送装置においても、簡便な構成の周波数ずれ検出器を提供する。【解決手段】本発明にかかる周波数ずれ検出器100は、光信号を受け付ける入力部16と、光信号を分岐する光分岐器10と、予め定められた周波数から高周波側及び低周波側にそれぞれ所定の周波数偏移した範囲の帯域を透過するように設定された光フィルタ11及び光フィルタ12と、そ ...more ...less